255531475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13121}}^1$

素因数の和:13191

約数の個数: 24

約数和(自身を含む): 341696880

約数和(自身を除く): 86165405

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 3895, 13121, 19475, 65605, 249299, 328025, 537961, 1246495, 2689805, 6232475, 10221259, 13449025, 51106295, 255531475]

約数ペア:

[(1, 255531475), (5, 51106295), (19, 13449025), (25, 10221259), (41, 6232475), (95, 2689805), (205, 1246495), (475, 537961), (779, 328025), (1025, 249299), (3895, 65605), (13121, 19475)]