31978726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15569}}^1$

素因数の和:15663

約数の個数: 16

約数和(自身を含む): 52315200

約数和(自身を除く): 20336474

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 15569, 31138, 202397, 404794, 1229951, 2459902, 15989363, 31978726]

約数ペア:

[(1, 31978726), (2, 15989363), (13, 2459902), (26, 1229951), (79, 404794), (158, 202397), (1027, 31138), (2054, 15569)]