111111728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 284794272

約数和(自身を除く): 173682544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 67, 68, 91, 104, 112, 119, 134, 136, 182, 208, 221, 238, 268, 272, 364, 442, 469, 476, 536, 728, 871, 884, 938, 952, 1072, 1139, 1456, 1547, 1742, 1768, 1876, 1904, 2278, 3094, 3484, 3536, 3752, 4489, 4556, 6097, 6188, 6968, 7504, 7973, 8978, 9112, 12194, 12376, 13936, 14807, 15946, 17956, 18224, 24388, 24752, 29614, 31423, 31892, 35912, 48776, 58357, 59228, 62846, 63784, 71824, 76313, 97552, 103649, 116714, 118456, 125692, 127568, 152626, 207298, 233428, 236912, 251384, 305252, 408499, 414596, 466856, 502768, 534191, 610504, 816998, 829192, 933712, 992069, 1068382, 1221008, 1633996, 1658384, 1984138, 2136764, 3267992, 3968276, 4273528, 6535984, 6944483, 7936552, 8547056, 13888966, 15873104, 27777932, 55555864, 111111728]

約数ペア:

[(1, 111111728), (2, 55555864), (4, 27777932), (7, 15873104), (8, 13888966), (13, 8547056), (14, 7936552), (16, 6944483), (17, 6535984), (26, 4273528), (28, 3968276), (34, 3267992), (52, 2136764), (56, 1984138), (67, 1658384), (68, 1633996), (91, 1221008), (104, 1068382), (112, 992069), (119, 933712), (134, 829192), (136, 816998), (182, 610504), (208, 534191), (221, 502768), (238, 466856), (268, 414596), (272, 408499), (364, 305252), (442, 251384), (469, 236912), (476, 233428), (536, 207298), (728, 152626), (871, 127568), (884, 125692), (938, 118456), (952, 116714), (1072, 103649), (1139, 97552), (1456, 76313), (1547, 71824), (1742, 63784), (1768, 62846), (1876, 59228), (1904, 58357), (2278, 48776), (3094, 35912), (3484, 31892), (3536, 31423), (3752, 29614), (4489, 24752), (4556, 24388), (6097, 18224), (6188, 17956), (6968, 15946), (7504, 14807), (7973, 13936), (8978, 12376), (9112, 12194)]