990562225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{461}}^1\times {\mathrm{1409}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 1252029240

約数和(自身を除く): 261467015

約数列:

[1, 5, 25, 61, 305, 461, 1409, 1525, 2305, 7045, 11525, 28121, 35225, 85949, 140605, 429745, 649549, 703025, 2148725, 3247745, 16238725, 39622489, 198112445, 990562225]

約数ペア:

[(1, 990562225), (5, 198112445), (25, 39622489), (61, 16238725), (305, 3247745), (461, 2148725), (1409, 703025), (1525, 649549), (2305, 429745), (7045, 140605), (11525, 85949), (28121, 35225)]