71821789

素因数分解:

${\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{6343}}^1$

素因数の和:6436

約数の個数: 12

約数和(自身を含む): 78944736

約数和(自身を除く): 7122947

約数列:

[1, 13, 67, 169, 871, 6343, 11323, 82459, 424981, 1071967, 5524753, 71821789]

約数ペア:

[(1, 71821789), (13, 5524753), (67, 1071967), (169, 424981), (871, 82459), (6343, 11323)]