31400551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11131}}^1$

素因数の和:11182

約数の個数: 16

約数和(自身を含む): 39897088

約数和(自身を除く): 8496537

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 11131, 77917, 144703, 345061, 1012921, 2415427, 4485793, 31400551]

約数ペア:

[(1, 31400551), (7, 4485793), (13, 2415427), (31, 1012921), (91, 345061), (217, 144703), (403, 77917), (2821, 11131)]