260412515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 351648000

約数和(自身を除く): 91235485

約数列:

[1, 5, 11, 43, 55, 149, 215, 473, 739, 745, 1639, 2365, 3695, 6407, 8129, 8195, 31777, 32035, 40645, 70477, 110111, 158885, 349547, 352385, 550555, 1211221, 1747735, 4734773, 6056105, 23673865, 52082503, 260412515]

約数ペア:

[(1, 260412515), (5, 52082503), (11, 23673865), (43, 6056105), (55, 4734773), (149, 1747735), (215, 1211221), (473, 550555), (739, 352385), (745, 349547), (1639, 158885), (2365, 110111), (3695, 70477), (6407, 40645), (8129, 32035), (8195, 31777)]