81736112

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{222109}}^1$

素因数の和:222140

約数の個数: 20

約数和(自身を含む): 165249840

約数和(自身を除く): 83513728

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 222109, 444218, 888436, 1776872, 3553744, 5108507, 10217014, 20434028, 40868056, 81736112]

約数ペア:

[(1, 81736112), (2, 40868056), (4, 20434028), (8, 10217014), (16, 5108507), (23, 3553744), (46, 1776872), (92, 888436), (184, 444218), (368, 222109)]