664558168

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{607}}^1\times {\mathrm{1279}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 1260748800

約数和(自身を除く): 596190632

約数列:

[1, 2, 4, 8, 107, 214, 428, 607, 856, 1214, 1279, 2428, 2558, 4856, 5116, 10232, 64949, 129898, 136853, 259796, 273706, 519592, 547412, 776353, 1094824, 1552706, 3105412, 6210824, 83069771, 166139542, 332279084, 664558168]

約数ペア:

[(1, 664558168), (2, 332279084), (4, 166139542), (8, 83069771), (107, 6210824), (214, 3105412), (428, 1552706), (607, 1094824), (856, 776353), (1214, 547412), (1279, 519592), (2428, 273706), (2558, 259796), (4856, 136853), (5116, 129898), (10232, 64949)]