81435796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{6899}}^1$

素因数の和:7143

約数の個数: 24

約数和(自身を含む): 154173600

約数和(自身を除く): 72737804

約数列:

[1, 2, 4, 13, 26, 52, 227, 454, 908, 2951, 5902, 6899, 11804, 13798, 27596, 89687, 179374, 358748, 1566073, 3132146, 6264292, 20358949, 40717898, 81435796]

約数ペア:

[(1, 81435796), (2, 40717898), (4, 20358949), (13, 6264292), (26, 3132146), (52, 1566073), (227, 358748), (454, 179374), (908, 89687), (2951, 27596), (5902, 13798), (6899, 11804)]