87983984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 198737280

約数和(自身を除く): 110753296

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 83, 88, 152, 166, 176, 209, 304, 317, 332, 418, 634, 664, 836, 913, 1268, 1328, 1577, 1672, 1826, 2536, 3154, 3344, 3487, 3652, 5072, 6023, 6308, 6974, 7304, 12046, 12616, 13948, 14608, 17347, 24092, 25232, 26311, 27896, 34694, 48184, 52622, 55792, 66253, 69388, 96368, 105244, 132506, 138776, 210488, 265012, 277552, 289421, 420976, 499909, 530024, 578842, 999818, 1060048, 1157684, 1999636, 2315368, 3999272, 4630736, 5498999, 7998544, 10997998, 21995996, 43991992, 87983984]

約数ペア:

[(1, 87983984), (2, 43991992), (4, 21995996), (8, 10997998), (11, 7998544), (16, 5498999), (19, 4630736), (22, 3999272), (38, 2315368), (44, 1999636), (76, 1157684), (83, 1060048), (88, 999818), (152, 578842), (166, 530024), (176, 499909), (209, 420976), (304, 289421), (317, 277552), (332, 265012), (418, 210488), (634, 138776), (664, 132506), (836, 105244), (913, 96368), (1268, 69388), (1328, 66253), (1577, 55792), (1672, 52622), (1826, 48184), (2536, 34694), (3154, 27896), (3344, 26311), (3487, 25232), (3652, 24092), (5072, 17347), (6023, 14608), (6308, 13948), (6974, 12616), (7304, 12046)]