161421065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{21977}}^1$

素因数の和:22108

約数の個数: 16

約数和(自身を含む): 210461328

約数和(自身を除く): 49040263

約数列:

[1, 5, 13, 65, 113, 565, 1469, 7345, 21977, 109885, 285701, 1428505, 2483401, 12417005, 32284213, 161421065]

約数ペア:

[(1, 161421065), (5, 32284213), (13, 12417005), (65, 2483401), (113, 1428505), (565, 285701), (1469, 109885), (7345, 21977)]