138984005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{3191}}^1$

素因数の和:3508

約数の個数: 16

約数和(自身を含む): 172827648

約数和(自身を除く): 33843643

約数列:

[1, 5, 31, 155, 281, 1405, 3191, 8711, 15955, 43555, 98921, 494605, 896671, 4483355, 27796801, 138984005]

約数ペア:

[(1, 138984005), (5, 27796801), (31, 4483355), (155, 896671), (281, 494605), (1405, 98921), (3191, 43555), (8711, 15955)]