71961911

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1063}}^1$

素因数の和:1598

約数の個数: 16

約数和(自身を含む): 86822400

約数和(自身を除く): 14860489

約数列:

[1, 7, 19, 133, 509, 1063, 3563, 7441, 9671, 20197, 67697, 141379, 541067, 3787469, 10280273, 71961911]

約数ペア:

[(1, 71961911), (7, 10280273), (19, 3787469), (133, 541067), (509, 141379), (1063, 67697), (3563, 20197), (7441, 9671)]