25113212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5417}}^1$

素因数の和:5501

約数の個数: 24

約数和(自身を含む): 47028240

約数和(自身を除く): 21915028

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 5417, 10834, 21668, 102923, 205846, 330437, 411692, 660874, 1321748, 6278303, 12556606, 25113212]

約数ペア:

[(1, 25113212), (2, 12556606), (4, 6278303), (19, 1321748), (38, 660874), (61, 411692), (76, 330437), (122, 205846), (244, 102923), (1159, 21668), (2318, 10834), (4636, 5417)]