81461368

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{93419}}^1$

素因数の和:93534

約数の個数: 16

約数和(自身を含む): 154143000

約数和(自身を除く): 72681632

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 93419, 186838, 373676, 747352, 10182671, 20365342, 40730684, 81461368]

約数ペア:

[(1, 81461368), (2, 40730684), (4, 20365342), (8, 10182671), (109, 747352), (218, 373676), (436, 186838), (872, 93419)]