81290096

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{220897}}^1$

素因数の和:220928

約数の個数: 20

約数和(自身を含む): 164348112

約数和(自身を除く): 83058016

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 220897, 441794, 883588, 1767176, 3534352, 5080631, 10161262, 20322524, 40645048, 81290096]

約数ペア:

[(1, 81290096), (2, 40645048), (4, 20322524), (8, 10161262), (16, 5080631), (23, 3534352), (46, 1767176), (92, 883588), (184, 441794), (368, 220897)]