81475378

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{3049}}^1$

素因数の和:3513

約数の個数: 16

約数和(自身を含む): 126489600

約数和(自身を除く): 45014222

約数列:

[1, 2, 31, 62, 431, 862, 3049, 6098, 13361, 26722, 94519, 189038, 1314119, 2628238, 40737689, 81475378]

約数ペア:

[(1, 81475378), (2, 40737689), (31, 2628238), (62, 1314119), (431, 189038), (862, 94519), (3049, 26722), (6098, 13361)]