278147688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6703}}^1$

素因数の和:6751

約数の個数: 128

約数和(自身を含む): 901017600

約数和(自身を除く): 622869912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 247, 266, 273, 312, 364, 399, 456, 494, 532, 546, 728, 741, 798, 988, 1064, 1092, 1482, 1596, 1729, 1976, 2184, 2964, 3192, 3458, 5187, 5928, 6703, 6916, 10374, 13406, 13832, 20109, 20748, 26812, 40218, 41496, 46921, 53624, 80436, 87139, 93842, 127357, 140763, 160872, 174278, 187684, 254714, 261417, 281526, 348556, 375368, 382071, 509428, 522834, 563052, 609973, 697112, 764142, 891499, 1018856, 1045668, 1126104, 1219946, 1528284, 1655641, 1782998, 1829919, 2091336, 2439892, 2674497, 3056568, 3311282, 3565996, 3659838, 4879784, 4966923, 5348994, 6622564, 7131992, 7319676, 9933846, 10697988, 11589487, 13245128, 14639352, 19867692, 21395976, 23178974, 34768461, 39735384, 46357948, 69536922, 92715896, 139073844, 278147688]

約数ペア:

[(1, 278147688), (2, 139073844), (3, 92715896), (4, 69536922), (6, 46357948), (7, 39735384), (8, 34768461), (12, 23178974), (13, 21395976), (14, 19867692), (19, 14639352), (21, 13245128), (24, 11589487), (26, 10697988), (28, 9933846), (38, 7319676), (39, 7131992), (42, 6622564), (52, 5348994), (56, 4966923), (57, 4879784), (76, 3659838), (78, 3565996), (84, 3311282), (91, 3056568), (104, 2674497), (114, 2439892), (133, 2091336), (152, 1829919), (156, 1782998), (168, 1655641), (182, 1528284), (228, 1219946), (247, 1126104), (266, 1045668), (273, 1018856), (312, 891499), (364, 764142), (399, 697112), (456, 609973), (494, 563052), (532, 522834), (546, 509428), (728, 382071), (741, 375368), (798, 348556), (988, 281526), (1064, 261417), (1092, 254714), (1482, 187684), (1596, 174278), (1729, 160872), (1976, 140763), (2184, 127357), (2964, 93842), (3192, 87139), (3458, 80436), (5187, 53624), (5928, 46921), (6703, 41496), (6916, 40218), (10374, 26812), (13406, 20748), (13832, 20109)]