89019905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{6197}}^1$

素因数の和:6245

約数の個数: 24

約数和(自身を含む): 122497272

約数和(自身を除く): 33477367

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2873, 6197, 14365, 30985, 80561, 105349, 402805, 526745, 1047293, 1369537, 5236465, 6847685, 17803981, 89019905]

約数ペア:

[(1, 89019905), (5, 17803981), (13, 6847685), (17, 5236465), (65, 1369537), (85, 1047293), (169, 526745), (221, 402805), (845, 105349), (1105, 80561), (2873, 30985), (6197, 14365)]