1640451876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{275059}}^1$

素因数の和:275144

約数の個数: 48

約数和(自身を含む): 4436167680

約数和(自身を除く): 2795715804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 275059, 550118, 825177, 1100236, 1650354, 1925413, 3300708, 3850826, 5776239, 7701652, 11552478, 19529189, 23104956, 39058378, 58587567, 78116756, 117175134, 136704323, 234350268, 273408646, 410112969, 546817292, 820225938, 1640451876]

約数ペア:

[(1, 1640451876), (2, 820225938), (3, 546817292), (4, 410112969), (6, 273408646), (7, 234350268), (12, 136704323), (14, 117175134), (21, 78116756), (28, 58587567), (42, 39058378), (71, 23104956), (84, 19529189), (142, 11552478), (213, 7701652), (284, 5776239), (426, 3850826), (497, 3300708), (852, 1925413), (994, 1650354), (1491, 1100236), (1988, 825177), (2982, 550118), (5964, 275059)]