987275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 1365984

約数和(自身を除く): 378709

約数列:

[1, 5, 17, 23, 25, 85, 101, 115, 391, 425, 505, 575, 1717, 1955, 2323, 2525, 8585, 9775, 11615, 39491, 42925, 58075, 197455, 987275]

約数ペア:

[(1, 987275), (5, 197455), (17, 58075), (23, 42925), (25, 39491), (85, 11615), (101, 9775), (115, 8585), (391, 2525), (425, 2323), (505, 1955), (575, 1717)]