138958505

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{26293}}^1$

素因数の和:26456

約数の個数: 16

約数和(自身を含む): 191841024

約数和(自身を除く): 52882519

約数列:

[1, 5, 7, 35, 151, 755, 1057, 5285, 26293, 131465, 184051, 920255, 3970243, 19851215, 27791701, 138958505]

約数ペア:

[(1, 138958505), (5, 27791701), (7, 19851215), (35, 3970243), (151, 920255), (755, 184051), (1057, 131465), (5285, 26293)]