81940238

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{18397}}^1$

素因数の和:18547

約数の個数: 16

約数和(自身を含む): 131140944

約数和(自身を除く): 49200706

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 18397, 36794, 312749, 625498, 2410007, 4820014, 40970119, 81940238]

約数ペア:

[(1, 81940238), (2, 40970119), (17, 4820014), (34, 2410007), (131, 625498), (262, 312749), (2227, 36794), (4454, 18397)]