138421871

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{19069}}^1$

素因数の和:19154

約数の個数: 16

約数和(自身を含む): 170256960

約数和(自身を除く): 31835089

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 19069, 133483, 324173, 1163209, 2269211, 8142463, 19774553, 138421871]

約数ペア:

[(1, 138421871), (7, 19774553), (17, 8142463), (61, 2269211), (119, 1163209), (427, 324173), (1037, 133483), (7259, 19069)]