489254845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{2129}}^1$

素因数の和:2253

約数の個数: 32

約数和(自身を含む): 644112000

約数和(自身を除く): 154857155

約数列:

[1, 5, 19, 41, 59, 95, 205, 295, 779, 1121, 2129, 2419, 3895, 5605, 10645, 12095, 40451, 45961, 87289, 125611, 202255, 229805, 436445, 628055, 1658491, 2386609, 5150051, 8292455, 11933045, 25750255, 97850969, 489254845]

約数ペア:

[(1, 489254845), (5, 97850969), (19, 25750255), (41, 11933045), (59, 8292455), (95, 5150051), (205, 2386609), (295, 1658491), (779, 628055), (1121, 436445), (2129, 229805), (2419, 202255), (3895, 125611), (5605, 87289), (10645, 45961), (12095, 40451)]