678042

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:418

約数の個数: 24

約数和(自身を含む): 1485120

約数和(自身を除く): 807078

約数列:

[1, 2, 3, 6, 9, 18, 139, 271, 278, 417, 542, 813, 834, 1251, 1626, 2439, 2502, 4878, 37669, 75338, 113007, 226014, 339021, 678042]

約数ペア:

[(1, 678042), (2, 339021), (3, 226014), (6, 113007), (9, 75338), (18, 37669), (139, 4878), (271, 2502), (278, 2439), (417, 1626), (542, 1251), (813, 834)]