2561994

素因数分解:

$2^1\times 3^2\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:774

約数の個数: 24

約数和(自身を含む): 5580900

約数和(自身を除く): 3018906

約数列:

[1, 2, 3, 6, 9, 18, 317, 449, 634, 898, 951, 1347, 1902, 2694, 2853, 4041, 5706, 8082, 142333, 284666, 426999, 853998, 1280997, 2561994]

約数ペア:

[(1, 2561994), (2, 1280997), (3, 853998), (6, 426999), (9, 284666), (18, 142333), (317, 8082), (449, 5706), (634, 4041), (898, 2853), (951, 2694), (1347, 1902)]