71673445

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 92195784

約数和(自身を除く): 20522339

約数列:

[1, 5, 17, 85, 193, 257, 289, 965, 1285, 1445, 3281, 4369, 16405, 21845, 49601, 55777, 74273, 248005, 278885, 371365, 843217, 4216085, 14334689, 71673445]

約数ペア:

[(1, 71673445), (5, 14334689), (17, 4216085), (85, 843217), (193, 371365), (257, 278885), (289, 248005), (965, 74273), (1285, 55777), (1445, 49601), (3281, 21845), (4369, 16405)]