71257655

素因数分解:

$5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 100101120

約数和(自身を除く): 28843465

約数列:

[1, 5, 7, 35, 97, 139, 151, 485, 679, 695, 755, 973, 1057, 3395, 4865, 5285, 13483, 14647, 20989, 67415, 73235, 94381, 102529, 104945, 146923, 471905, 512645, 734615, 2035933, 10179665, 14251531, 71257655]

約数ペア:

[(1, 71257655), (5, 14251531), (7, 10179665), (35, 2035933), (97, 734615), (139, 512645), (151, 471905), (485, 146923), (679, 104945), (695, 102529), (755, 94381), (973, 73235), (1057, 67415), (3395, 20989), (4865, 14647), (5285, 13483)]