51512975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 68776848

約数和(自身を除く): 17263873

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 1037, 1525, 1987, 5185, 9935, 25925, 33779, 49675, 121207, 168895, 606035, 844475, 2060519, 3030175, 10302595, 51512975]

約数ペア:

[(1, 51512975), (5, 10302595), (17, 3030175), (25, 2060519), (61, 844475), (85, 606035), (305, 168895), (425, 121207), (1037, 49675), (1525, 33779), (1987, 25925), (5185, 9935)]