1664291248

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{217157}}^1$

素因数の和:217644

約数の個数: 20

約数和(自身を含む): 3231311040

約数和(自身を除く): 1567019792

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 3832, 7664, 217157, 434314, 868628, 1737256, 3474512, 104018203, 208036406, 416072812, 832145624, 1664291248]

約数ペア:

[(1, 1664291248), (2, 832145624), (4, 416072812), (8, 208036406), (16, 104018203), (479, 3474512), (958, 1737256), (1916, 868628), (3832, 434314), (7664, 217157)]