77990155

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{17467}}^1$

素因数の和:17538

約数の個数: 16

約数和(自身を含む): 100615680

約数和(自身を除く): 22625525

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 17467, 87335, 331873, 820949, 1659365, 4104745, 15598031, 77990155]

約数ペア:

[(1, 77990155), (5, 15598031), (19, 4104745), (47, 1659365), (95, 820949), (235, 331873), (893, 87335), (4465, 17467)]