2604921985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1\times {\mathrm{571}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 3344799744

約数和(自身を除く): 739877759

約数列:

[1, 5, 17, 85, 191, 281, 571, 955, 1405, 2855, 3247, 4777, 9707, 16235, 23885, 48535, 53671, 109061, 160451, 268355, 545305, 802255, 912407, 1854037, 2727667, 4562035, 9270185, 13638335, 30646141, 153230705, 520984397, 2604921985]

約数ペア:

[(1, 2604921985), (5, 520984397), (17, 153230705), (85, 30646141), (191, 13638335), (281, 9270185), (571, 4562035), (955, 2727667), (1405, 1854037), (2855, 912407), (3247, 802255), (4777, 545305), (9707, 268355), (16235, 160451), (23885, 109061), (48535, 53671)]