28054675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 40428216

約数和(自身を除く): 12373541

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 289, 353, 425, 935, 1445, 1765, 3179, 3883, 4675, 6001, 7225, 8825, 15895, 19415, 30005, 66011, 79475, 97075, 102017, 150025, 330055, 510085, 1122187, 1650275, 2550425, 5610935, 28054675]

約数ペア:

[(1, 28054675), (5, 5610935), (11, 2550425), (17, 1650275), (25, 1122187), (55, 510085), (85, 330055), (187, 150025), (275, 102017), (289, 97075), (353, 79475), (425, 66011), (935, 30005), (1445, 19415), (1765, 15895), (3179, 8825), (3883, 7225), (4675, 6001)]