81360016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{221087}}^1$

素因数の和:221118

約数の個数: 20

約数和(自身を含む): 164489472

約数和(自身を除く): 83129456

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 221087, 442174, 884348, 1768696, 3537392, 5085001, 10170002, 20340004, 40680008, 81360016]

約数ペア:

[(1, 81360016), (2, 40680008), (4, 20340004), (8, 10170002), (16, 5085001), (23, 3537392), (46, 1768696), (92, 884348), (184, 442174), (368, 221087)]