668004865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{111427}}^1$

素因数の和:111552

約数の個数: 16

約数和(自身を含む): 882509760

約数和(自身を除く): 214504895

約数列:

[1, 5, 11, 55, 109, 545, 1199, 5995, 111427, 557135, 1225697, 6128485, 12145543, 60727715, 133600973, 668004865]

約数ペア:

[(1, 668004865), (5, 133600973), (11, 60727715), (55, 12145543), (109, 6128485), (545, 1225697), (1199, 557135), (5995, 111427)]