868142015

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2351}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 1239598080

約数和(自身を除く): 371456065

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 169, 247, 299, 437, 845, 1235, 1495, 2185, 2351, 3211, 3887, 5681, 11755, 16055, 19435, 28405, 30563, 44669, 54073, 73853, 152815, 223345, 270365, 369265, 397319, 580697, 702949, 1027387, 1986595, 2903485, 3514745, 5136935, 7549061, 9138337, 13356031, 37745305, 45691685, 66780155, 173628403, 868142015]

約数ペア:

[(1, 868142015), (5, 173628403), (13, 66780155), (19, 45691685), (23, 37745305), (65, 13356031), (95, 9138337), (115, 7549061), (169, 5136935), (247, 3514745), (299, 2903485), (437, 1986595), (845, 1027387), (1235, 702949), (1495, 580697), (2185, 397319), (2351, 369265), (3211, 270365), (3887, 223345), (5681, 152815), (11755, 73853), (16055, 54073), (19435, 44669), (28405, 30563)]