25975964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 55211520

約数和(自身を除く): 29235556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 266, 311, 314, 532, 622, 628, 1099, 1244, 2177, 2198, 2983, 4354, 4396, 5909, 5966, 8708, 11818, 11932, 20881, 23636, 41363, 41762, 48827, 82726, 83524, 97654, 165452, 195308, 341789, 683578, 927713, 1367156, 1855426, 3710852, 6493991, 12987982, 25975964]

約数ペア:

[(1, 25975964), (2, 12987982), (4, 6493991), (7, 3710852), (14, 1855426), (19, 1367156), (28, 927713), (38, 683578), (76, 341789), (133, 195308), (157, 165452), (266, 97654), (311, 83524), (314, 82726), (532, 48827), (622, 41762), (628, 41363), (1099, 23636), (1244, 20881), (2177, 11932), (2198, 11818), (2983, 8708), (4354, 5966), (4396, 5909)]