81487874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{22877}}^1$

素因数の和:23029

約数の個数: 16

約数和(自身を含む): 132600888

約数和(自身を除く): 51113014

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 22877, 45754, 297401, 594802, 3134149, 6268298, 40743937, 81487874]

約数ペア:

[(1, 81487874), (2, 40743937), (13, 6268298), (26, 3134149), (137, 594802), (274, 297401), (1781, 45754), (3562, 22877)]