42389425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 58091520

約数和(自身を除く): 15702095

約数列:

[1, 5, 13, 25, 65, 79, 127, 169, 325, 395, 635, 845, 1027, 1651, 1975, 3175, 4225, 5135, 8255, 10033, 13351, 21463, 25675, 41275, 50165, 66755, 107315, 130429, 250825, 333775, 536575, 652145, 1695577, 3260725, 8477885, 42389425]

約数ペア:

[(1, 42389425), (5, 8477885), (13, 3260725), (25, 1695577), (65, 652145), (79, 536575), (127, 333775), (169, 250825), (325, 130429), (395, 107315), (635, 66755), (845, 50165), (1027, 41275), (1651, 25675), (1975, 21463), (3175, 13351), (4225, 10033), (5135, 8255)]