81873035

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 99601920

約数和(自身を除く): 17728885

約数列:

[1, 5, 131, 239, 523, 655, 1195, 2615, 31309, 68513, 124997, 156545, 342565, 624985, 16374607, 81873035]

約数ペア:

[(1, 81873035), (5, 16374607), (131, 624985), (239, 342565), (523, 156545), (655, 124997), (1195, 68513), (2615, 31309)]