89291995

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 116765712

約数和(自身を除く): 27473717

約数列:

[1, 5, 13, 65, 169, 251, 421, 845, 1255, 2105, 3263, 5473, 16315, 27365, 42419, 71149, 105671, 212095, 355745, 528355, 1373723, 6868615, 17858399, 89291995]

約数ペア:

[(1, 89291995), (5, 17858399), (13, 6868615), (65, 1373723), (169, 528355), (251, 355745), (421, 212095), (845, 105671), (1255, 71149), (2105, 42419), (3263, 27365), (5473, 16315)]