998708958

素因数分解:

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

素因数の和:211

約数の個数: 144

約数和(自身を含む): 2511669888

約数和(自身を除く): 1512960930

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 37, 39, 61, 62, 74, 78, 93, 111, 117, 122, 183, 186, 222, 234, 279, 333, 366, 403, 481, 549, 558, 666, 793, 806, 962, 1098, 1147, 1209, 1443, 1586, 1891, 2257, 2294, 2379, 2418, 2886, 3441, 3627, 3721, 3782, 4329, 4514, 4758, 5673, 6771, 6882, 7137, 7254, 7442, 8658, 10323, 11163, 11346, 13542, 14274, 14911, 17019, 20313, 20646, 22326, 24583, 29341, 29822, 33489, 34038, 40626, 44733, 48373, 49166, 58682, 66978, 69967, 73749, 88023, 89466, 96746, 115351, 134199, 137677, 139934, 145119, 147498, 176046, 209901, 221247, 230702, 264069, 268398, 275354, 290238, 346053, 413031, 419802, 435357, 442494, 528138, 629703, 692106, 826062, 870714, 909571, 1038159, 1239093, 1259406, 1499563, 1789801, 1819142, 2076318, 2478186, 2728713, 2999126, 3579602, 4267987, 4498689, 5369403, 5457426, 8186139, 8535974, 8997378, 10738806, 12803961, 13496067, 16108209, 16372278, 25607922, 26992134, 32216418, 38411883, 55483831, 76823766, 110967662, 166451493, 332902986, 499354479, 998708958]

約数ペア:

[(1, 998708958), (2, 499354479), (3, 332902986), (6, 166451493), (9, 110967662), (13, 76823766), (18, 55483831), (26, 38411883), (31, 32216418), (37, 26992134), (39, 25607922), (61, 16372278), (62, 16108209), (74, 13496067), (78, 12803961), (93, 10738806), (111, 8997378), (117, 8535974), (122, 8186139), (183, 5457426), (186, 5369403), (222, 4498689), (234, 4267987), (279, 3579602), (333, 2999126), (366, 2728713), (403, 2478186), (481, 2076318), (549, 1819142), (558, 1789801), (666, 1499563), (793, 1259406), (806, 1239093), (962, 1038159), (1098, 909571), (1147, 870714), (1209, 826062), (1443, 692106), (1586, 629703), (1891, 528138), (2257, 442494), (2294, 435357), (2379, 419802), (2418, 413031), (2886, 346053), (3441, 290238), (3627, 275354), (3721, 268398), (3782, 264069), (4329, 230702), (4514, 221247), (4758, 209901), (5673, 176046), (6771, 147498), (6882, 145119), (7137, 139934), (7254, 137677), (7442, 134199), (8658, 115351), (10323, 96746), (11163, 89466), (11346, 88023), (13542, 73749), (14274, 69967), (14911, 66978), (17019, 58682), (20313, 49166), (20646, 48373), (22326, 44733), (24583, 40626), (29341, 34038), (29822, 33489)]