220321918

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1\times {\mathrm{1231}}^1$

素因数の和:2163

約数の個数: 16

約数和(自身を含む): 334192320

約数和(自身を除く): 113870402

約数列:

[1, 2, 109, 218, 821, 1231, 1642, 2462, 89489, 134179, 178978, 268358, 1010651, 2021302, 110160959, 220321918]

約数ペア:

[(1, 220321918), (2, 110160959), (109, 2021302), (218, 1010651), (821, 268358), (1231, 178978), (1642, 134179), (2462, 89489)]