218218325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{35339}}^1$

素因数の和:35381

約数の個数: 24

約数和(自身を含む): 306751200

約数和(自身を除く): 88532875

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 35339, 176695, 459407, 671441, 883475, 2297035, 3357205, 8728733, 11485175, 16786025, 43643665, 218218325]

約数ペア:

[(1, 218218325), (5, 43643665), (13, 16786025), (19, 11485175), (25, 8728733), (65, 3357205), (95, 2297035), (247, 883475), (325, 671441), (475, 459407), (1235, 176695), (6175, 35339)]