31780315

素因数分解:

$5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1439}}^1$

素因数の和:2082

約数の個数: 16

約数和(自身を含む): 43683840

約数和(自身を除く): 11903525

約数列:

[1, 5, 7, 35, 631, 1439, 3155, 4417, 7195, 10073, 22085, 50365, 908009, 4540045, 6356063, 31780315]

約数ペア:

[(1, 31780315), (5, 6356063), (7, 4540045), (35, 908009), (631, 50365), (1439, 22085), (3155, 10073), (4417, 7195)]