31785971

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2039}}^1$

素因数の和:2194

約数の個数: 16

約数和(自身を含む): 38776320

約数和(自身を除く): 6990349

約数列:

[1, 7, 17, 119, 131, 917, 2039, 2227, 14273, 15589, 34663, 242641, 267109, 1869763, 4540853, 31785971]

約数ペア:

[(1, 31785971), (7, 4540853), (17, 1869763), (119, 267109), (131, 242641), (917, 34663), (2039, 15589), (2227, 14273)]