31215890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107641}}^1$

素因数の和:107677

約数の個数: 16

約数和(自身を含む): 58126680

約数和(自身を除く): 26910790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 107641, 215282, 538205, 1076410, 3121589, 6243178, 15607945, 31215890]

約数ペア:

[(1, 31215890), (2, 15607945), (5, 6243178), (10, 3121589), (29, 1076410), (58, 538205), (145, 215282), (290, 107641)]