81086245

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 98605440

約数和(自身を除く): 17519195

約数列:

[1, 5, 151, 211, 509, 755, 1055, 2545, 31861, 76859, 107399, 159305, 384295, 536995, 16217249, 81086245]

約数ペア:

[(1, 81086245), (5, 16217249), (151, 536995), (211, 384295), (509, 159305), (755, 107399), (1055, 76859), (2545, 31861)]