81303655

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{1249}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 100080000

約数和(自身を除く): 18776345

約数列:

[1, 5, 47, 235, 277, 1249, 1385, 6245, 13019, 58703, 65095, 293515, 345973, 1729865, 16260731, 81303655]

約数ペア:

[(1, 81303655), (5, 16260731), (47, 1729865), (235, 345973), (277, 293515), (1249, 65095), (1385, 58703), (6245, 13019)]