253405825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{3331}}^1$

素因数の和:3537

約数の個数: 24

約数和(自身を含む): 334666080

約数和(自身を除く): 81260255

約数列:

[1, 5, 17, 25, 85, 179, 425, 895, 3043, 3331, 4475, 15215, 16655, 56627, 76075, 83275, 283135, 596249, 1415675, 2981245, 10136233, 14906225, 50681165, 253405825]

約数ペア:

[(1, 253405825), (5, 50681165), (17, 14906225), (25, 10136233), (85, 2981245), (179, 1415675), (425, 596249), (895, 283135), (3043, 83275), (3331, 76075), (4475, 56627), (15215, 16655)]