261422574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{12781}}^1$

素因数の和:13280

約数の個数: 32

約数和(自身を含む): 598811136

約数和(自身を除く): 337388562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 487, 974, 1461, 2922, 3409, 6818, 10227, 12781, 20454, 25562, 38343, 76686, 89467, 178934, 268401, 536802, 6224347, 12448694, 18673041, 37346082, 43570429, 87140858, 130711287, 261422574]

約数ペア:

[(1, 261422574), (2, 130711287), (3, 87140858), (6, 43570429), (7, 37346082), (14, 18673041), (21, 12448694), (42, 6224347), (487, 536802), (974, 268401), (1461, 178934), (2922, 89467), (3409, 76686), (6818, 38343), (10227, 25562), (12781, 20454)]