221785486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{198377}}^1$

素因数の和:198435

約数の個数: 16

約数和(自身を含む): 366602544

約数和(自身を除く): 144817058

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 198377, 396754, 2578901, 5157802, 8530211, 17060422, 110892743, 221785486]

約数ペア:

[(1, 221785486), (2, 110892743), (13, 17060422), (26, 8530211), (43, 5157802), (86, 2578901), (559, 396754), (1118, 198377)]