127991930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2777}}^1$

素因数の和:3214

約数の個数: 32

約数和(自身を含む): 252020160

約数和(自身を除く): 124028230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 419, 838, 2095, 2777, 4190, 4609, 5554, 9218, 13885, 23045, 27770, 30547, 46090, 61094, 152735, 305470, 1163563, 2327126, 5817815, 11635630, 12799193, 25598386, 63995965, 127991930]

約数ペア:

[(1, 127991930), (2, 63995965), (5, 25598386), (10, 12799193), (11, 11635630), (22, 5817815), (55, 2327126), (110, 1163563), (419, 305470), (838, 152735), (2095, 61094), (2777, 46090), (4190, 30547), (4609, 27770), (5554, 23045), (9218, 13885)]