2018601475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 2787705504

約数和(自身を除く): 769104029

約数列:

[1, 5, 11, 25, 55, 73, 193, 275, 365, 521, 803, 965, 1825, 2123, 2605, 4015, 4825, 5731, 10615, 13025, 14089, 20075, 28655, 38033, 53075, 70445, 100553, 143275, 154979, 190165, 352225, 418363, 502765, 774895, 950825, 1106083, 2091815, 2513825, 3874475, 5530415, 7340369, 10459075, 27652075, 36701845, 80744059, 183509225, 403720295, 2018601475]

約数ペア:

[(1, 2018601475), (5, 403720295), (11, 183509225), (25, 80744059), (55, 36701845), (73, 27652075), (193, 10459075), (275, 7340369), (365, 5530415), (521, 3874475), (803, 2513825), (965, 2091815), (1825, 1106083), (2123, 950825), (2605, 774895), (4015, 502765), (4825, 418363), (5731, 352225), (10615, 190165), (13025, 154979), (14089, 143275), (20075, 100553), (28655, 70445), (38033, 53075)]