389940254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{24247}}^1$

素因数の和:24320

約数の個数: 32

約数和(自身を含む): 691358976

約数和(自身を除く): 301418722

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 374, 473, 731, 946, 1462, 8041, 16082, 24247, 48494, 266717, 412199, 533434, 824398, 1042621, 2085242, 4534189, 9068378, 11468831, 17724557, 22937662, 35449114, 194970127, 389940254]

約数ペア:

[(1, 389940254), (2, 194970127), (11, 35449114), (17, 22937662), (22, 17724557), (34, 11468831), (43, 9068378), (86, 4534189), (187, 2085242), (374, 1042621), (473, 824398), (731, 533434), (946, 412199), (1462, 266717), (8041, 48494), (16082, 24247)]