203021725

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2125

約数の個数: 24

約数和(自身を含む): 259823648

約数和(自身を除く): 56801923

約数列:

[1, 5, 25, 61, 67, 305, 335, 1525, 1675, 1987, 4087, 9935, 20435, 49675, 102175, 121207, 133129, 606035, 665645, 3030175, 3328225, 8120869, 40604345, 203021725]

約数ペア:

[(1, 203021725), (5, 40604345), (25, 8120869), (61, 3328225), (67, 3030175), (305, 665645), (335, 606035), (1525, 133129), (1675, 121207), (1987, 102175), (4087, 49675), (9935, 20435)]