72147047

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1187}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 87056640

約数和(自身を除く): 14909593

約数列:

[1, 7, 19, 133, 457, 1187, 3199, 8309, 8683, 22553, 60781, 157871, 542459, 3797213, 10306721, 72147047]

約数ペア:

[(1, 72147047), (7, 10306721), (19, 3797213), (133, 542459), (457, 157871), (1187, 60781), (3199, 22553), (8309, 8683)]