31997830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139121}}^1$

素因数の和:139151

約数の個数: 16

約数和(自身を含む): 60100704

約数和(自身を除く): 28102874

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 139121, 278242, 695605, 1391210, 3199783, 6399566, 15998915, 31997830]

約数ペア:

[(1, 31997830), (2, 15998915), (5, 6399566), (10, 3199783), (23, 1391210), (46, 695605), (115, 278242), (230, 139121)]