261124490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{57899}}^1$

素因数の和:57958

約数の個数: 32

約数和(自身を含む): 525268800

約数和(自身を除く): 264144310

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 57899, 115798, 289495, 578990, 636889, 1273778, 2373859, 3184445, 4747718, 6368890, 11869295, 23738590, 26112449, 52224898, 130562245, 261124490]

約数ペア:

[(1, 261124490), (2, 130562245), (5, 52224898), (10, 26112449), (11, 23738590), (22, 11869295), (41, 6368890), (55, 4747718), (82, 3184445), (110, 2373859), (205, 1273778), (410, 636889), (451, 578990), (902, 289495), (2255, 115798), (4510, 57899)]