313640656

素因数分解:

$2^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{11717}}^1$

素因数の和:11971

約数の個数: 40

約数和(自身を含む): 697455360

約数和(自身を除く): 383814704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 239, 478, 956, 1673, 1912, 3346, 3824, 6692, 11717, 13384, 23434, 26768, 46868, 82019, 93736, 164038, 187472, 328076, 656152, 1312304, 2800363, 5600726, 11201452, 19602541, 22402904, 39205082, 44805808, 78410164, 156820328, 313640656]

約数ペア:

[(1, 313640656), (2, 156820328), (4, 78410164), (7, 44805808), (8, 39205082), (14, 22402904), (16, 19602541), (28, 11201452), (56, 5600726), (112, 2800363), (239, 1312304), (478, 656152), (956, 328076), (1673, 187472), (1912, 164038), (3346, 93736), (3824, 82019), (6692, 46868), (11717, 26768), (13384, 23434)]