71310505

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 100159488

約数和(自身を除く): 28848983

約数列:

[1, 5, 7, 35, 103, 131, 151, 515, 655, 721, 755, 917, 1057, 3605, 4585, 5285, 13493, 15553, 19781, 67465, 77765, 94451, 98905, 108871, 138467, 472255, 544355, 692335, 2037443, 10187215, 14262101, 71310505]

約数ペア:

[(1, 71310505), (5, 14262101), (7, 10187215), (35, 2037443), (103, 692335), (131, 544355), (151, 472255), (515, 138467), (655, 108871), (721, 98905), (755, 94451), (917, 77765), (1057, 67465), (3605, 19781), (4585, 15553), (5285, 13493)]