71519581

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{3391}}^1$

素因数の和:3552

約数の個数: 16

約数和(自身を含む): 85966848

約数和(自身を除く): 14447267

約数列:

[1, 7, 23, 131, 161, 917, 3013, 3391, 21091, 23737, 77993, 444221, 545951, 3109547, 10217083, 71519581]

約数ペア:

[(1, 71519581), (7, 10217083), (23, 3109547), (131, 545951), (161, 444221), (917, 77993), (3013, 23737), (3391, 21091)]