1997417916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^2$

素因数の和:213

約数の個数: 216

約数和(自身を含む): 5860563072

約数和(自身を除く): 3863145156

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 37, 39, 52, 61, 62, 74, 78, 93, 111, 117, 122, 124, 148, 156, 183, 186, 222, 234, 244, 279, 333, 366, 372, 403, 444, 468, 481, 549, 558, 666, 732, 793, 806, 962, 1098, 1116, 1147, 1209, 1332, 1443, 1586, 1612, 1891, 1924, 2196, 2257, 2294, 2379, 2418, 2886, 3172, 3441, 3627, 3721, 3782, 4329, 4514, 4588, 4758, 4836, 5673, 5772, 6771, 6882, 7137, 7254, 7442, 7564, 8658, 9028, 9516, 10323, 11163, 11346, 13542, 13764, 14274, 14508, 14884, 14911, 17019, 17316, 20313, 20646, 22326, 22692, 24583, 27084, 28548, 29341, 29822, 33489, 34038, 40626, 41292, 44652, 44733, 48373, 49166, 58682, 59644, 66978, 68076, 69967, 73749, 81252, 88023, 89466, 96746, 98332, 115351, 117364, 133956, 134199, 137677, 139934, 145119, 147498, 176046, 178932, 193492, 209901, 221247, 230702, 264069, 268398, 275354, 279868, 290238, 294996, 346053, 352092, 413031, 419802, 435357, 442494, 461404, 528138, 536796, 550708, 580476, 629703, 692106, 826062, 839604, 870714, 884988, 909571, 1038159, 1056276, 1239093, 1259406, 1384212, 1499563, 1652124, 1741428, 1789801, 1819142, 2076318, 2478186, 2518812, 2728713, 2999126, 3579602, 3638284, 4152636, 4267987, 4498689, 4956372, 5369403, 5457426, 5998252, 7159204, 8186139, 8535974, 8997378, 10738806, 10914852, 12803961, 13496067, 16108209, 16372278, 17071948, 17994756, 21477612, 25607922, 26992134, 32216418, 32744556, 38411883, 51215844, 53984268, 55483831, 64432836, 76823766, 110967662, 153647532, 166451493, 221935324, 332902986, 499354479, 665805972, 998708958, 1997417916]

約数ペア:

[(1, 1997417916), (2, 998708958), (3, 665805972), (4, 499354479), (6, 332902986), (9, 221935324), (12, 166451493), (13, 153647532), (18, 110967662), (26, 76823766), (31, 64432836), (36, 55483831), (37, 53984268), (39, 51215844), (52, 38411883), (61, 32744556), (62, 32216418), (74, 26992134), (78, 25607922), (93, 21477612), (111, 17994756), (117, 17071948), (122, 16372278), (124, 16108209), (148, 13496067), (156, 12803961), (183, 10914852), (186, 10738806), (222, 8997378), (234, 8535974), (244, 8186139), (279, 7159204), (333, 5998252), (366, 5457426), (372, 5369403), (403, 4956372), (444, 4498689), (468, 4267987), (481, 4152636), (549, 3638284), (558, 3579602), (666, 2999126), (732, 2728713), (793, 2518812), (806, 2478186), (962, 2076318), (1098, 1819142), (1116, 1789801), (1147, 1741428), (1209, 1652124), (1332, 1499563), (1443, 1384212), (1586, 1259406), (1612, 1239093), (1891, 1056276), (1924, 1038159), (2196, 909571), (2257, 884988), (2294, 870714), (2379, 839604), (2418, 826062), (2886, 692106), (3172, 629703), (3441, 580476), (3627, 550708), (3721, 536796), (3782, 528138), (4329, 461404), (4514, 442494), (4588, 435357), (4758, 419802), (4836, 413031), (5673, 352092), (5772, 346053), (6771, 294996), (6882, 290238), (7137, 279868), (7254, 275354), (7442, 268398), (7564, 264069), (8658, 230702), (9028, 221247), (9516, 209901), (10323, 193492), (11163, 178932), (11346, 176046), (13542, 147498), (13764, 145119), (14274, 139934), (14508, 137677), (14884, 134199), (14911, 133956), (17019, 117364), (17316, 115351), (20313, 98332), (20646, 96746), (22326, 89466), (22692, 88023), (24583, 81252), (27084, 73749), (28548, 69967), (29341, 68076), (29822, 66978), (33489, 59644), (34038, 58682), (40626, 49166), (41292, 48373), (44652, 44733)]