218255128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:585

約数の個数: 128

約数和(自身を含む): 548352000

約数和(自身を除く): 330096872

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 31, 38, 52, 56, 62, 76, 91, 104, 124, 133, 152, 182, 217, 247, 248, 266, 364, 403, 434, 494, 509, 532, 589, 728, 806, 868, 988, 1018, 1064, 1178, 1612, 1729, 1736, 1976, 2036, 2356, 2821, 3224, 3458, 3563, 4072, 4123, 4712, 5642, 6617, 6916, 7126, 7657, 8246, 9671, 11284, 13234, 13832, 14252, 15314, 15779, 16492, 19342, 22568, 26468, 28504, 30628, 31558, 32984, 38684, 46319, 52936, 53599, 61256, 63116, 67697, 77368, 92638, 107198, 110453, 125723, 126232, 135394, 185276, 205127, 214396, 220906, 251446, 270788, 299801, 370552, 410254, 428792, 441812, 502892, 541576, 599602, 820508, 880061, 883624, 1005784, 1199204, 1435889, 1641016, 1760122, 2098607, 2398408, 2871778, 3520244, 3897413, 4197214, 5743556, 7040488, 7794826, 8394428, 11487112, 15589652, 16788856, 27281891, 31179304, 54563782, 109127564, 218255128]

約数ペア:

[(1, 218255128), (2, 109127564), (4, 54563782), (7, 31179304), (8, 27281891), (13, 16788856), (14, 15589652), (19, 11487112), (26, 8394428), (28, 7794826), (31, 7040488), (38, 5743556), (52, 4197214), (56, 3897413), (62, 3520244), (76, 2871778), (91, 2398408), (104, 2098607), (124, 1760122), (133, 1641016), (152, 1435889), (182, 1199204), (217, 1005784), (247, 883624), (248, 880061), (266, 820508), (364, 599602), (403, 541576), (434, 502892), (494, 441812), (509, 428792), (532, 410254), (589, 370552), (728, 299801), (806, 270788), (868, 251446), (988, 220906), (1018, 214396), (1064, 205127), (1178, 185276), (1612, 135394), (1729, 126232), (1736, 125723), (1976, 110453), (2036, 107198), (2356, 92638), (2821, 77368), (3224, 67697), (3458, 63116), (3563, 61256), (4072, 53599), (4123, 52936), (4712, 46319), (5642, 38684), (6617, 32984), (6916, 31558), (7126, 30628), (7657, 28504), (8246, 26468), (9671, 22568), (11284, 19342), (13234, 16492), (13832, 15779), (14252, 15314)]