439980515

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{12109}}^1$

素因数の和:12183

約数の個数: 24

約数和(自身を含む): 585058320

約数和(自身を除く): 145077805

約数列:

[1, 5, 13, 43, 65, 169, 215, 559, 845, 2795, 7267, 12109, 36335, 60545, 157417, 520687, 787085, 2046421, 2603435, 6768931, 10232105, 33844655, 87996103, 439980515]

約数ペア:

[(1, 439980515), (5, 87996103), (13, 33844655), (43, 10232105), (65, 6768931), (169, 2603435), (215, 2046421), (559, 787085), (845, 520687), (2795, 157417), (7267, 60545), (12109, 36335)]