218475972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 688326912

約数和(自身を除く): 469850940

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 31, 33, 36, 37, 39, 44, 52, 62, 66, 74, 78, 93, 99, 111, 117, 124, 132, 143, 148, 156, 186, 198, 222, 234, 279, 286, 333, 341, 372, 396, 403, 407, 429, 444, 468, 481, 558, 572, 666, 682, 806, 814, 858, 962, 1023, 1116, 1147, 1209, 1221, 1287, 1332, 1364, 1369, 1443, 1612, 1628, 1716, 1924, 2046, 2294, 2418, 2442, 2574, 2738, 2886, 3069, 3441, 3627, 3663, 4092, 4107, 4329, 4433, 4588, 4836, 4884, 5148, 5291, 5476, 5772, 6138, 6882, 7254, 7326, 8214, 8658, 8866, 10323, 10582, 12276, 12321, 12617, 13299, 13764, 14508, 14652, 14911, 15059, 15873, 16428, 17316, 17732, 17797, 20646, 21164, 24642, 25234, 26598, 29822, 30118, 31746, 35594, 37851, 39897, 41292, 42439, 44733, 45177, 47619, 49284, 50468, 53196, 53391, 59644, 60236, 63492, 71188, 75702, 79794, 84878, 89466, 90354, 95238, 106782, 113553, 127317, 134199, 135531, 151404, 159588, 160173, 164021, 169756, 178932, 180708, 190476, 195767, 213564, 227106, 254634, 268398, 271062, 320346, 328042, 381951, 391534, 454212, 466829, 492063, 509268, 536796, 542124, 551707, 587301, 640692, 656084, 763902, 783068, 933658, 984126, 1103414, 1174602, 1400487, 1476189, 1527804, 1655121, 1761903, 1867316, 1968252, 2206828, 2349204, 2800974, 2952378, 3310242, 3523806, 4201461, 4965363, 5601948, 5904756, 6068777, 6620484, 7047612, 8402922, 9930726, 12137554, 16805844, 18206331, 19861452, 24275108, 36412662, 54618993, 72825324, 109237986, 218475972]

約数ペア:

[(1, 218475972), (2, 109237986), (3, 72825324), (4, 54618993), (6, 36412662), (9, 24275108), (11, 19861452), (12, 18206331), (13, 16805844), (18, 12137554), (22, 9930726), (26, 8402922), (31, 7047612), (33, 6620484), (36, 6068777), (37, 5904756), (39, 5601948), (44, 4965363), (52, 4201461), (62, 3523806), (66, 3310242), (74, 2952378), (78, 2800974), (93, 2349204), (99, 2206828), (111, 1968252), (117, 1867316), (124, 1761903), (132, 1655121), (143, 1527804), (148, 1476189), (156, 1400487), (186, 1174602), (198, 1103414), (222, 984126), (234, 933658), (279, 783068), (286, 763902), (333, 656084), (341, 640692), (372, 587301), (396, 551707), (403, 542124), (407, 536796), (429, 509268), (444, 492063), (468, 466829), (481, 454212), (558, 391534), (572, 381951), (666, 328042), (682, 320346), (806, 271062), (814, 268398), (858, 254634), (962, 227106), (1023, 213564), (1116, 195767), (1147, 190476), (1209, 180708), (1221, 178932), (1287, 169756), (1332, 164021), (1364, 160173), (1369, 159588), (1443, 151404), (1612, 135531), (1628, 134199), (1716, 127317), (1924, 113553), (2046, 106782), (2294, 95238), (2418, 90354), (2442, 89466), (2574, 84878), (2738, 79794), (2886, 75702), (3069, 71188), (3441, 63492), (3627, 60236), (3663, 59644), (4092, 53391), (4107, 53196), (4329, 50468), (4433, 49284), (4588, 47619), (4836, 45177), (4884, 44733), (5148, 42439), (5291, 41292), (5476, 39897), (5772, 37851), (6138, 35594), (6882, 31746), (7254, 30118), (7326, 29822), (8214, 26598), (8658, 25234), (8866, 24642), (10323, 21164), (10582, 20646), (12276, 17797), (12321, 17732), (12617, 17316), (13299, 16428), (13764, 15873), (14508, 15059), (14652, 14911)]