381917363984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2089}}^1\times {\mathrm{878957}}^1$

素因数の和:881067

約数の個数: 40

約数和(自身を含む): 797267643480

約数和(自身を除く): 415350279496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2089, 4178, 8356, 16712, 27157, 33424, 54314, 108628, 217256, 434512, 878957, 1757914, 3515828, 7031656, 11426441, 14063312, 22852882, 45705764, 91411528, 182823056, 1836141173, 3672282346, 7344564692, 14689129384, 23869835249, 29378258768, 47739670498, 95479340996, 190958681992, 381917363984]

約数ペア:

[(1, 381917363984), (2, 190958681992), (4, 95479340996), (8, 47739670498), (13, 29378258768), (16, 23869835249), (26, 14689129384), (52, 7344564692), (104, 3672282346), (208, 1836141173), (2089, 182823056), (4178, 91411528), (8356, 45705764), (16712, 22852882), (27157, 14063312), (33424, 11426441), (54314, 7031656), (108628, 3515828), (217256, 1757914), (434512, 878957)]