1640772284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{877}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 3068083200

約数和(自身を除く): 1427310916

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 239, 412, 478, 877, 956, 1754, 1957, 3508, 3914, 4541, 7828, 9082, 16663, 18164, 24617, 33326, 49234, 66652, 90331, 98468, 180662, 209603, 361324, 419206, 467723, 838412, 935446, 1716289, 1870892, 3432578, 3982457, 6865156, 7964914, 15929828, 21589109, 43178218, 86356436, 410193071, 820386142, 1640772284]

約数ペア:

[(1, 1640772284), (2, 820386142), (4, 410193071), (19, 86356436), (38, 43178218), (76, 21589109), (103, 15929828), (206, 7964914), (239, 6865156), (412, 3982457), (478, 3432578), (877, 1870892), (956, 1716289), (1754, 935446), (1957, 838412), (3508, 467723), (3914, 419206), (4541, 361324), (7828, 209603), (9082, 180662), (16663, 98468), (18164, 90331), (24617, 66652), (33326, 49234)]