31380830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241391}}^1$

素因数の和:241411

約数の個数: 16

約数和(自身を含む): 60830784

約数和(自身を除く): 29449954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241391, 482782, 1206955, 2413910, 3138083, 6276166, 15690415, 31380830]

約数ペア:

[(1, 31380830), (2, 15690415), (5, 6276166), (10, 3138083), (13, 2413910), (26, 1206955), (65, 482782), (130, 241391)]