31278731

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1453}}^1$

素因数の和:1586

約数の個数: 16

約数和(自身を含む): 36291840

約数和(自身を除く): 5013109

約数列:

[1, 11, 19, 103, 209, 1133, 1453, 1957, 15983, 21527, 27607, 149659, 303677, 1646249, 2843521, 31278731]

約数ペア:

[(1, 31278731), (11, 2843521), (19, 1646249), (103, 303677), (209, 149659), (1133, 27607), (1453, 21527), (1957, 15983)]