128804408

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{40151}}^1$

素因数の和:40558

約数の個数: 16

約数和(自身を含む): 242116560

約数和(自身を除く): 113312152

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 40151, 80302, 160604, 321208, 16100551, 32201102, 64402204, 128804408]

約数ペア:

[(1, 128804408), (2, 64402204), (4, 32201102), (8, 16100551), (401, 321208), (802, 160604), (1604, 80302), (3208, 40151)]