1256285679

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1\times {\mathrm{1489}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 1880689920

約数和(自身を除く): 624404241

約数列:

[1, 3, 11, 33, 37, 111, 407, 691, 1221, 1489, 2073, 4467, 7601, 16379, 22803, 25567, 49137, 55093, 76701, 165279, 281237, 606023, 843711, 1028899, 1818069, 3086697, 11317889, 33953667, 38069263, 114207789, 418761893, 1256285679]

約数ペア:

[(1, 1256285679), (3, 418761893), (11, 114207789), (33, 38069263), (37, 33953667), (111, 11317889), (407, 3086697), (691, 1818069), (1221, 1028899), (1489, 843711), (2073, 606023), (4467, 281237), (7601, 165279), (16379, 76701), (22803, 55093), (25567, 49137)]