81614704

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{7933}}^1$

素因数の和:8584

約数の個数: 20

約数和(自身を含む): 158394376

約数和(自身を除く): 76779672

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 7933, 10288, 15866, 31732, 63464, 126928, 5100919, 10201838, 20403676, 40807352, 81614704]

約数ペア:

[(1, 81614704), (2, 40807352), (4, 20403676), (8, 10201838), (16, 5100919), (643, 126928), (1286, 63464), (2572, 31732), (5144, 15866), (7933, 10288)]