81828272

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{45259}}^1$

素因数の和:45380

約数の個数: 20

約数和(自身を含む): 159948840

約数和(自身を除く): 78120568

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 45259, 90518, 181036, 362072, 724144, 5114267, 10228534, 20457068, 40914136, 81828272]

約数ペア:

[(1, 81828272), (2, 40914136), (4, 20457068), (8, 10228534), (16, 5114267), (113, 724144), (226, 362072), (452, 181036), (904, 90518), (1808, 45259)]