639157321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{38711}}^1$

素因数の和:38820

約数の個数: 16

約数和(自身を含む): 743270400

約数和(自身を除く): 104113079

約数列:

[1, 11, 19, 79, 209, 869, 1501, 16511, 38711, 425821, 735509, 3058169, 8090599, 33639859, 58105211, 639157321]

約数ペア:

[(1, 639157321), (11, 58105211), (19, 33639859), (79, 8090599), (209, 3058169), (869, 735509), (1501, 425821), (16511, 38711)]