87123664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{286591}}^1$

素因数の和:286618

約数の個数: 20

約数和(自身を含む): 177687040

約数和(自身を除く): 90563376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 286591, 573182, 1146364, 2292728, 4585456, 5445229, 10890458, 21780916, 43561832, 87123664]

約数ペア:

[(1, 87123664), (2, 43561832), (4, 21780916), (8, 10890458), (16, 5445229), (19, 4585456), (38, 2292728), (76, 1146364), (152, 573182), (304, 286591)]