247660985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31489}}^1$

素因数の和:31529

約数の個数: 24

約数和(自身を含む): 351806280

約数和(自身を除く): 104145295

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 7865, 31489, 157445, 346379, 409357, 1731895, 2046785, 3810169, 4502927, 19050845, 22514635, 49532197, 247660985]

約数ペア:

[(1, 247660985), (5, 49532197), (11, 22514635), (13, 19050845), (55, 4502927), (65, 3810169), (121, 2046785), (143, 1731895), (605, 409357), (715, 346379), (1573, 157445), (7865, 31489)]