28960775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 38528784

約数和(自身を除く): 9568009

約数列:

[1, 5, 17, 25, 83, 85, 415, 425, 821, 1411, 2075, 4105, 7055, 13957, 20525, 35275, 68143, 69785, 340715, 348925, 1158431, 1703575, 5792155, 28960775]

約数ペア:

[(1, 28960775), (5, 5792155), (17, 1703575), (25, 1158431), (83, 348925), (85, 340715), (415, 69785), (425, 68143), (821, 35275), (1411, 20525), (2075, 13957), (4105, 7055)]