259609168

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 654402560

約数和(自身を除く): 394793392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 61, 74, 79, 91, 104, 112, 122, 148, 158, 182, 208, 244, 259, 296, 316, 364, 427, 481, 488, 518, 553, 592, 632, 728, 793, 854, 962, 976, 1027, 1036, 1106, 1264, 1456, 1586, 1708, 1924, 2054, 2072, 2212, 2257, 2923, 3172, 3367, 3416, 3848, 4108, 4144, 4424, 4514, 4819, 5551, 5846, 6344, 6734, 6832, 7189, 7696, 8216, 8848, 9028, 9638, 11102, 11692, 12688, 13468, 14378, 15799, 16432, 18056, 19276, 20461, 22204, 23384, 26936, 28756, 29341, 31598, 33733, 36112, 37999, 38552, 40922, 44408, 46768, 53872, 57512, 58682, 62647, 63196, 67466, 75998, 77104, 81844, 88816, 115024, 117364, 125294, 126392, 134932, 151996, 163688, 178303, 205387, 234728, 250588, 252784, 265993, 269864, 303992, 327376, 356606, 410774, 438529, 469456, 501176, 531986, 539728, 607984, 713212, 821548, 877058, 1002352, 1063972, 1248121, 1426424, 1643096, 1754116, 2127944, 2317939, 2496242, 2852848, 3286192, 3508232, 4255888, 4635878, 4992484, 7016464, 9271756, 9984968, 16225573, 18543512, 19969936, 32451146, 37087024, 64902292, 129804584, 259609168]

約数ペア:

[(1, 259609168), (2, 129804584), (4, 64902292), (7, 37087024), (8, 32451146), (13, 19969936), (14, 18543512), (16, 16225573), (26, 9984968), (28, 9271756), (37, 7016464), (52, 4992484), (56, 4635878), (61, 4255888), (74, 3508232), (79, 3286192), (91, 2852848), (104, 2496242), (112, 2317939), (122, 2127944), (148, 1754116), (158, 1643096), (182, 1426424), (208, 1248121), (244, 1063972), (259, 1002352), (296, 877058), (316, 821548), (364, 713212), (427, 607984), (481, 539728), (488, 531986), (518, 501176), (553, 469456), (592, 438529), (632, 410774), (728, 356606), (793, 327376), (854, 303992), (962, 269864), (976, 265993), (1027, 252784), (1036, 250588), (1106, 234728), (1264, 205387), (1456, 178303), (1586, 163688), (1708, 151996), (1924, 134932), (2054, 126392), (2072, 125294), (2212, 117364), (2257, 115024), (2923, 88816), (3172, 81844), (3367, 77104), (3416, 75998), (3848, 67466), (4108, 63196), (4144, 62647), (4424, 58682), (4514, 57512), (4819, 53872), (5551, 46768), (5846, 44408), (6344, 40922), (6734, 38552), (6832, 37999), (7189, 36112), (7696, 33733), (8216, 31598), (8848, 29341), (9028, 28756), (9638, 26936), (11102, 23384), (11692, 22204), (12688, 20461), (13468, 19276), (14378, 18056), (15799, 16432)]