28542065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{821}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 36398160

約数和(自身を除く): 7856095

約数列:

[1, 5, 17, 85, 409, 821, 2045, 4105, 6953, 13957, 34765, 69785, 335789, 1678945, 5708413, 28542065]

約数ペア:

[(1, 28542065), (5, 5708413), (17, 1678945), (85, 335789), (409, 69785), (821, 34765), (2045, 13957), (4105, 6953)]