1998325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 2985920

約数和(自身を除く): 987595

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 601, 665, 3005, 3325, 4207, 11419, 15025, 21035, 57095, 79933, 105175, 285475, 399665, 1998325]

約数ペア:

[(1, 1998325), (5, 399665), (7, 285475), (19, 105175), (25, 79933), (35, 57095), (95, 21035), (133, 15025), (175, 11419), (475, 4207), (601, 3325), (665, 3005)]