81501872

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{69779}}^1$

素因数の和:69860

約数の個数: 20

約数和(自身を含む): 160075320

約数和(自身を除く): 78573448

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 69779, 139558, 279116, 558232, 1116464, 5093867, 10187734, 20375468, 40750936, 81501872]

約数ペア:

[(1, 81501872), (2, 40750936), (4, 20375468), (8, 10187734), (16, 5093867), (73, 1116464), (146, 558232), (292, 279116), (584, 139558), (1168, 69779)]