855207925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1721}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 1255544640

約数和(自身を除く): 400336715

約数列:

[1, 5, 11, 13, 25, 55, 65, 139, 143, 275, 325, 695, 715, 1529, 1721, 1807, 3475, 3575, 7645, 8605, 9035, 18931, 19877, 22373, 38225, 43025, 45175, 94655, 99385, 111865, 239219, 246103, 473275, 496925, 559325, 1196095, 1230515, 2631409, 3109847, 5980475, 6152575, 13157045, 15549235, 34208317, 65785225, 77746175, 171041585, 855207925]

約数ペア:

[(1, 855207925), (5, 171041585), (11, 77746175), (13, 65785225), (25, 34208317), (55, 15549235), (65, 13157045), (139, 6152575), (143, 5980475), (275, 3109847), (325, 2631409), (695, 1230515), (715, 1196095), (1529, 559325), (1721, 496925), (1807, 473275), (3475, 246103), (3575, 239219), (7645, 111865), (8605, 99385), (9035, 94655), (18931, 45175), (19877, 43025), (22373, 38225)]