78990992

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{45293}}^1$

素因数の和:45410

約数の個数: 20

約数和(自身を含む): 154452540

約数和(自身を除く): 75461548

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 45293, 90586, 181172, 362344, 724688, 4936937, 9873874, 19747748, 39495496, 78990992]

約数ペア:

[(1, 78990992), (2, 39495496), (4, 19747748), (8, 9873874), (16, 4936937), (109, 724688), (218, 362344), (436, 181172), (872, 90586), (1744, 45293)]