138508979

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{19081}}^1$

素因数の和:19166

約数の個数: 16

約数和(自身を含む): 170364096

約数和(自身を除く): 31855117

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 19081, 133567, 324377, 1163941, 2270639, 8147587, 19786997, 138508979]

約数ペア:

[(1, 138508979), (7, 19786997), (17, 8147587), (61, 2270639), (119, 1163941), (427, 324377), (1037, 133567), (7259, 19081)]