90184975

素因数分解:

$5^2\times {\mathrm{43}}^2\times {\mathrm{1951}}^1$

素因数の和:2047

約数の個数: 18

約数和(自身を含む): 114549216

約数和(自身を除く): 24364241

約数列:

[1, 5, 25, 43, 215, 1075, 1849, 1951, 9245, 9755, 46225, 48775, 83893, 419465, 2097325, 3607399, 18036995, 90184975]

約数ペア:

[(1, 90184975), (5, 18036995), (25, 3607399), (43, 2097325), (215, 419465), (1075, 83893), (1849, 48775), (1951, 46225), (9245, 9755)]