15291619

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 19961856

約数和(自身を除く): 4670237

約数列:

[1, 7, 17, 23, 37, 119, 151, 161, 259, 391, 629, 851, 1057, 2567, 2737, 3473, 4403, 5587, 5957, 14467, 17969, 24311, 39109, 59041, 94979, 101269, 128501, 413287, 664853, 899507, 2184517, 15291619]

約数ペア:

[(1, 15291619), (7, 2184517), (17, 899507), (23, 664853), (37, 413287), (119, 128501), (151, 101269), (161, 94979), (259, 59041), (391, 39109), (629, 24311), (851, 17969), (1057, 14467), (2567, 5957), (2737, 5587), (3473, 4403)]