81415985

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 116785152

約数和(自身を除く): 35369167

約数列:

[1, 5, 7, 35, 43, 47, 215, 235, 301, 329, 1151, 1505, 1645, 2021, 5755, 8057, 10105, 14147, 40285, 49493, 54097, 70735, 247465, 270485, 346451, 378679, 1732255, 1893395, 2326171, 11630855, 16283197, 81415985]

約数ペア:

[(1, 81415985), (5, 16283197), (7, 11630855), (35, 2326171), (43, 1893395), (47, 1732255), (215, 378679), (235, 346451), (301, 270485), (329, 247465), (1151, 70735), (1505, 54097), (1645, 49493), (2021, 40285), (5755, 14147), (8057, 10105)]