1286979421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{32363}}^1$

素因数の和:32425

約数の個数: 32

約数和(自身を含む): 1739888640

約数和(自身を除く): 452909219

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 247, 299, 437, 1729, 2093, 3059, 5681, 32363, 39767, 226541, 420719, 614897, 744349, 2945033, 4304279, 5210443, 7993661, 9676537, 14142631, 55955627, 67735759, 98998417, 183854203, 1286979421]

約数ペア:

[(1, 1286979421), (7, 183854203), (13, 98998417), (19, 67735759), (23, 55955627), (91, 14142631), (133, 9676537), (161, 7993661), (247, 5210443), (299, 4304279), (437, 2945033), (1729, 744349), (2093, 614897), (3059, 420719), (5681, 226541), (32363, 39767)]