215041618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{70321}}^1$

素因数の和:70473

約数の個数: 16

約数和(自身を含む): 354422880

約数和(自身を除く): 139381262

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 70321, 140642, 773531, 1547062, 9774619, 19549238, 107520809, 215041618]

約数ペア:

[(1, 215041618), (2, 107520809), (11, 19549238), (22, 9774619), (139, 1547062), (278, 773531), (1529, 140642), (3058, 70321)]