138889093

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1\times {\mathrm{577}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 160804224

約数和(自身を除く): 21915131

約数列:

[1, 7, 137, 251, 577, 959, 1757, 4039, 34387, 79049, 144827, 240709, 553343, 1013789, 19841299, 138889093]

約数ペア:

[(1, 138889093), (7, 19841299), (137, 1013789), (251, 553343), (577, 240709), (959, 144827), (1757, 79049), (4039, 34387)]