81462830

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{72091}}^1$

素因数の和:72211

約数の個数: 16

約数和(自身を含む): 147932784

約数和(自身を除く): 66469954

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 72091, 144182, 360455, 720910, 8146283, 16292566, 40731415, 81462830]

約数ペア:

[(1, 81462830), (2, 40731415), (5, 16292566), (10, 8146283), (113, 720910), (226, 360455), (565, 144182), (1130, 72091)]