31231222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{2789}}^1$

素因数の和:3311

約数の個数: 16

約数和(自身を含む): 51224400

約数和(自身を除く): 19993178

約数列:

[1, 2, 11, 22, 509, 1018, 2789, 5578, 5599, 11198, 30679, 61358, 1419601, 2839202, 15615611, 31231222]

約数ペア:

[(1, 31231222), (2, 15615611), (11, 2839202), (22, 1419601), (509, 61358), (1018, 30679), (2789, 11198), (5578, 5599)]