30997985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{881}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 38610432

約数和(自身を除く): 7612447

約数列:

[1, 5, 31, 155, 227, 881, 1135, 4405, 7037, 27311, 35185, 136555, 199987, 999935, 6199597, 30997985]

約数ペア:

[(1, 30997985), (5, 6199597), (31, 999935), (155, 199987), (227, 136555), (881, 35185), (1135, 27311), (4405, 7037)]