68512975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 96636672

約数和(自身を除く): 28123697

約数列:

[1, 5, 17, 23, 25, 43, 85, 115, 163, 215, 391, 425, 575, 731, 815, 989, 1075, 1955, 2771, 3655, 3749, 4075, 4945, 7009, 9775, 13855, 16813, 18275, 18745, 24725, 35045, 63733, 69275, 84065, 93725, 119153, 161207, 175225, 318665, 420325, 595765, 806035, 1593325, 2740519, 2978825, 4030175, 13702595, 68512975]

約数ペア:

[(1, 68512975), (5, 13702595), (17, 4030175), (23, 2978825), (25, 2740519), (43, 1593325), (85, 806035), (115, 595765), (163, 420325), (215, 318665), (391, 175225), (425, 161207), (575, 119153), (731, 93725), (815, 84065), (989, 69275), (1075, 63733), (1955, 35045), (2771, 24725), (3655, 18745), (3749, 18275), (4075, 16813), (4945, 13855), (7009, 9775)]