7221978

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{5651}}^1$

素因数の和:5730

約数の個数: 24

約数和(自身を含む): 15870816

約数和(自身を除く): 8648838

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 5651, 11302, 16953, 33906, 50859, 101718, 401221, 802442, 1203663, 2407326, 3610989, 7221978]

約数ペア:

[(1, 7221978), (2, 3610989), (3, 2407326), (6, 1203663), (9, 802442), (18, 401221), (71, 101718), (142, 50859), (213, 33906), (426, 16953), (639, 11302), (1278, 5651)]