2870465

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 3864960

約数和(自身を除く): 994495

約数列:

[1, 5, 13, 43, 65, 79, 169, 215, 395, 559, 845, 1027, 2795, 3397, 5135, 7267, 13351, 16985, 36335, 44161, 66755, 220805, 574093, 2870465]

約数ペア:

[(1, 2870465), (5, 574093), (13, 220805), (43, 66755), (65, 44161), (79, 36335), (169, 16985), (215, 13351), (395, 7267), (559, 5135), (845, 3397), (1027, 2795)]