828128225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{84719}}^1$

素因数の和:84769

約数の個数: 24

約数和(自身を含む): 1134570240

約数和(自身を除く): 306442015

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 9775, 84719, 423595, 1440223, 1948537, 2117975, 7201115, 9742685, 33125129, 36005575, 48713425, 165625645, 828128225]

約数ペア:

[(1, 828128225), (5, 165625645), (17, 48713425), (23, 36005575), (25, 33125129), (85, 9742685), (115, 7201115), (391, 2117975), (425, 1948537), (575, 1440223), (1955, 423595), (9775, 84719)]