31990154

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{38729}}^1$

素因数の和:38797

約数の個数: 16

約数和(自身を含む): 55771200

約数和(自身を除く): 23781046

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 38729, 77458, 271103, 542206, 2285011, 4570022, 15995077, 31990154]

約数ペア:

[(1, 31990154), (2, 15995077), (7, 4570022), (14, 2285011), (59, 542206), (118, 271103), (413, 77458), (826, 38729)]