85707664

素因数分解:

$2^4\times 7^2\times {\mathrm{109321}}^1$

素因数の和:109343

約数の個数: 30

約数和(自身を含む): 193171974

約数和(自身を除く): 107464310

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 109321, 218642, 437284, 765247, 874568, 1530494, 1749136, 3060988, 5356729, 6121976, 10713458, 12243952, 21426916, 42853832, 85707664]

約数ペア:

[(1, 85707664), (2, 42853832), (4, 21426916), (7, 12243952), (8, 10713458), (14, 6121976), (16, 5356729), (28, 3060988), (49, 1749136), (56, 1530494), (98, 874568), (112, 765247), (196, 437284), (392, 218642), (784, 109321)]