87890252

素因数分解:

$2^2\times {\mathrm{163}}^2\times {\mathrm{827}}^1$

素因数の和:1157

約数の個数: 18

約数和(自身を含む): 154944468

約数和(自身を除く): 67054216

約数列:

[1, 2, 4, 163, 326, 652, 827, 1654, 3308, 26569, 53138, 106276, 134801, 269602, 539204, 21972563, 43945126, 87890252]

約数ペア:

[(1, 87890252), (2, 43945126), (4, 21972563), (163, 539204), (326, 269602), (652, 134801), (827, 106276), (1654, 53138), (3308, 26569)]