639152224

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{281317}}^1$

素因数の和:281398

約数の個数: 24

約数和(自身を含む): 1276058448

約数和(自身を除く): 636906224

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 281317, 562634, 1125268, 2250536, 4501072, 9002144, 19973507, 39947014, 79894028, 159788056, 319576112, 639152224]

約数ペア:

[(1, 639152224), (2, 319576112), (4, 159788056), (8, 79894028), (16, 39947014), (32, 19973507), (71, 9002144), (142, 4501072), (284, 2250536), (568, 1125268), (1136, 562634), (2272, 281317)]