26538421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15349}}^1$

素因数の和:15388

約数の個数: 16

約数和(自身を含む): 34384000

約数和(自身を除く): 7845579

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 15349, 107443, 199537, 291631, 1396759, 2041417, 3791203, 26538421]

約数ペア:

[(1, 26538421), (7, 3791203), (13, 2041417), (19, 1396759), (91, 291631), (133, 199537), (247, 107443), (1729, 15349)]