81717770

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{29501}}^1$

素因数の和:29785

約数の個数: 16

約数和(自身を含む): 147628008

約数和(自身を除く): 65910238

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 29501, 59002, 147505, 295010, 8171777, 16343554, 40858885, 81717770]

約数ペア:

[(1, 81717770), (2, 40858885), (5, 16343554), (10, 8171777), (277, 295010), (554, 147505), (1385, 59002), (2770, 29501)]