72819551

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21101}}^1$

素因数の和:21154

約数の個数: 16

約数和(自身を含む): 91160640

約数和(自身を除く): 18341089

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 21101, 147707, 358717, 611929, 2511019, 4283503, 10402793, 72819551]

約数ペア:

[(1, 72819551), (7, 10402793), (17, 4283503), (29, 2511019), (119, 611929), (203, 358717), (493, 147707), (3451, 21101)]