291259128

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{47221}}^1$

素因数の和:47487

約数の個数: 32

約数和(自身を含む): 730996560

約数和(自身を除く): 439737432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 6168, 47221, 94442, 141663, 188884, 283326, 377768, 566652, 1133304, 12135797, 24271594, 36407391, 48543188, 72814782, 97086376, 145629564, 291259128]

約数ペア:

[(1, 291259128), (2, 145629564), (3, 97086376), (4, 72814782), (6, 48543188), (8, 36407391), (12, 24271594), (24, 12135797), (257, 1133304), (514, 566652), (771, 377768), (1028, 283326), (1542, 188884), (2056, 141663), (3084, 94442), (6168, 47221)]