81880492436

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1\times {\mathrm{3163}}^1$

素因数の和:3888

約数の個数: 48

約数和(自身を含む): 146170421376

約数和(自身を除く): 64289928940

約数列:

[1, 2, 4, 97, 137, 194, 274, 388, 487, 548, 974, 1948, 3163, 6326, 12652, 13289, 26578, 47239, 53156, 66719, 94478, 133438, 188956, 266876, 306811, 433331, 613622, 866662, 1227244, 1540381, 1733324, 3080762, 6161524, 6471743, 12943486, 25886972, 42033107, 84066214, 149416957, 168132428, 211032197, 298833914, 422064394, 597667828, 844128788, 20470123109, 40940246218, 81880492436]

約数ペア:

[(1, 81880492436), (2, 40940246218), (4, 20470123109), (97, 844128788), (137, 597667828), (194, 422064394), (274, 298833914), (388, 211032197), (487, 168132428), (548, 149416957), (974, 84066214), (1948, 42033107), (3163, 25886972), (6326, 12943486), (12652, 6471743), (13289, 6161524), (26578, 3080762), (47239, 1733324), (53156, 1540381), (66719, 1227244), (94478, 866662), (133438, 613622), (188956, 433331), (266876, 306811)]