78990086

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{40591}}^1$

素因数の和:40739

約数の個数: 16

約数和(自身を含む): 136389120

約数和(自身を除く): 57399034

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 40591, 81182, 284137, 568274, 5642149, 11284298, 39495043, 78990086]

約数ペア:

[(1, 78990086), (2, 39495043), (7, 11284298), (14, 5642149), (139, 568274), (278, 284137), (973, 81182), (1946, 40591)]