131929090

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{72889}}^1$

素因数の和:73077

約数の個数: 16

約数和(自身を含む): 238787640

約数和(自身を除く): 106858550

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 72889, 145778, 364445, 728890, 13192909, 26385818, 65964545, 131929090]

約数ペア:

[(1, 131929090), (2, 65964545), (5, 26385818), (10, 13192909), (181, 728890), (362, 364445), (905, 145778), (1810, 72889)]