81477902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{8839}}^1$

素因数の和:9271

約数の個数: 16

約数和(自身を含む): 133660800

約数和(自身を除く): 52182898

約数列:

[1, 2, 11, 22, 419, 838, 4609, 8839, 9218, 17678, 97229, 194458, 3703541, 7407082, 40738951, 81477902]

約数ペア:

[(1, 81477902), (2, 40738951), (11, 7407082), (22, 3703541), (419, 194458), (838, 97229), (4609, 17678), (8839, 9218)]