16216291

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 21450240

約数和(自身を除く): 5233949

約数列:

[1, 7, 13, 19, 83, 91, 113, 133, 247, 581, 791, 1079, 1469, 1577, 1729, 2147, 7553, 9379, 10283, 11039, 15029, 20501, 27911, 65653, 121927, 143507, 178201, 195377, 853489, 1247407, 2316613, 16216291]

約数ペア:

[(1, 16216291), (7, 2316613), (13, 1247407), (19, 853489), (83, 195377), (91, 178201), (113, 143507), (133, 121927), (247, 65653), (581, 27911), (791, 20501), (1079, 15029), (1469, 11039), (1577, 10283), (1729, 9379), (2147, 7553)]