1247991472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{857137}}^1$

素因数の和:857165

約数の個数: 40

約数和(自身を含む): 2975983136

約数和(自身を除く): 1727991664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 857137, 1714274, 3428548, 5999959, 6857096, 11142781, 11999918, 13714192, 22285562, 23999836, 44571124, 47999672, 77999467, 89142248, 95999344, 155998934, 178284496, 311997868, 623995736, 1247991472]

約数ペア:

[(1, 1247991472), (2, 623995736), (4, 311997868), (7, 178284496), (8, 155998934), (13, 95999344), (14, 89142248), (16, 77999467), (26, 47999672), (28, 44571124), (52, 23999836), (56, 22285562), (91, 13714192), (104, 11999918), (112, 11142781), (182, 6857096), (208, 5999959), (364, 3428548), (728, 1714274), (1456, 857137)]