78172808

素因数分解:

$2^3\times 7^1\times {\mathrm{1395943}}^1$

素因数の和:1395956

約数の個数: 16

約数和(自身を含む): 167513280

約数和(自身を除く): 89340472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1395943, 2791886, 5583772, 9771601, 11167544, 19543202, 39086404, 78172808]

約数ペア:

[(1, 78172808), (2, 39086404), (4, 19543202), (7, 11167544), (8, 9771601), (14, 5583772), (28, 2791886), (56, 1395943)]