2658978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 6739200

約数和(自身を除く): 4080222

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 449, 658, 846, 898, 987, 1347, 1974, 2694, 2961, 3143, 4041, 5922, 6286, 8082, 9429, 18858, 21103, 28287, 42206, 56574, 63309, 126618, 147721, 189927, 295442, 379854, 443163, 886326, 1329489, 2658978]

約数ペア:

[(1, 2658978), (2, 1329489), (3, 886326), (6, 443163), (7, 379854), (9, 295442), (14, 189927), (18, 147721), (21, 126618), (42, 63309), (47, 56574), (63, 42206), (94, 28287), (126, 21103), (141, 18858), (282, 9429), (329, 8082), (423, 6286), (449, 5922), (658, 4041), (846, 3143), (898, 2961), (987, 2694), (1347, 1974)]