255914813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1741}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 337139712

約数和(自身を除く): 81224899

約数列:

[1, 7, 11, 23, 77, 83, 161, 253, 581, 913, 1741, 1771, 1909, 6391, 12187, 13363, 19151, 20999, 40043, 134057, 144503, 146993, 280301, 440473, 1011521, 1589533, 3083311, 3323569, 11126731, 23264983, 36559259, 255914813]

約数ペア:

[(1, 255914813), (7, 36559259), (11, 23264983), (23, 11126731), (77, 3323569), (83, 3083311), (161, 1589533), (253, 1011521), (581, 440473), (913, 280301), (1741, 146993), (1771, 144503), (1909, 134057), (6391, 40043), (12187, 20999), (13363, 19151)]