4128025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 5919264

約数和(自身を除く): 1791239

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 883, 935, 4415, 4675, 9713, 15011, 22075, 48565, 75055, 165121, 242825, 375275, 825605, 4128025]

約数ペア:

[(1, 4128025), (5, 825605), (11, 375275), (17, 242825), (25, 165121), (55, 75055), (85, 48565), (187, 22075), (275, 15011), (425, 9713), (883, 4675), (935, 4415)]