81443455

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{6311}}^1$

素因数の和:6434

約数の個数: 16

約数和(自身を含む): 102254400

約数和(自身を除く): 20810945

約数列:

[1, 5, 29, 89, 145, 445, 2581, 6311, 12905, 31555, 183019, 561679, 915095, 2808395, 16288691, 81443455]

約数ペア:

[(1, 81443455), (5, 16288691), (29, 2808395), (89, 915095), (145, 561679), (445, 183019), (2581, 31555), (6311, 12905)]