28458925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{433}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 38747520

約数和(自身を除く): 10288595

約数列:

[1, 5, 11, 25, 55, 239, 275, 433, 1195, 2165, 2629, 4763, 5975, 10825, 13145, 23815, 65725, 103487, 119075, 517435, 1138357, 2587175, 5691785, 28458925]

約数ペア:

[(1, 28458925), (5, 5691785), (11, 2587175), (25, 1138357), (55, 517435), (239, 119075), (275, 103487), (433, 65725), (1195, 23815), (2165, 13145), (2629, 10825), (4763, 5975)]