90341485

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 131232960

約数和(自身を除く): 40891475

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 169, 221, 247, 323, 331, 845, 1105, 1235, 1615, 1655, 2873, 3211, 4199, 4303, 5627, 6289, 14365, 16055, 20995, 21515, 28135, 31445, 54587, 55939, 73151, 81757, 106913, 272935, 279695, 365755, 408785, 534565, 950963, 1062841, 1389869, 4754815, 5314205, 6949345, 18068297, 90341485]

約数ペア:

[(1, 90341485), (5, 18068297), (13, 6949345), (17, 5314205), (19, 4754815), (65, 1389869), (85, 1062841), (95, 950963), (169, 534565), (221, 408785), (247, 365755), (323, 279695), (331, 272935), (845, 106913), (1105, 81757), (1235, 73151), (1615, 55939), (1655, 54587), (2873, 31445), (3211, 28135), (4199, 21515), (4303, 20995), (5627, 16055), (6289, 14365)]