1280466

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1864494

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 58, 66, 87, 99, 174, 198, 223, 261, 319, 446, 522, 638, 669, 957, 1338, 1914, 2007, 2453, 2871, 4014, 4906, 5742, 6467, 7359, 12934, 14718, 19401, 22077, 38802, 44154, 58203, 71137, 116406, 142274, 213411, 426822, 640233, 1280466]

約数ペア:

[(1, 1280466), (2, 640233), (3, 426822), (6, 213411), (9, 142274), (11, 116406), (18, 71137), (22, 58203), (29, 44154), (33, 38802), (58, 22077), (66, 19401), (87, 14718), (99, 12934), (174, 7359), (198, 6467), (223, 5742), (261, 4906), (319, 4014), (446, 2871), (522, 2453), (638, 2007), (669, 1914), (957, 1338)]