1218936700825

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{547}}^1\times {\mathrm{617}}^1\times {\mathrm{1979}}^1$

素因数の和:3226

約数の個数: 48

約数和(自身を含む): 1538252527680

約数和(自身を除く): 319315826855

約数列:

[1, 5, 25, 73, 365, 547, 617, 1825, 1979, 2735, 3085, 9895, 13675, 15425, 39931, 45041, 49475, 144467, 199655, 225205, 337499, 722335, 998275, 1082513, 1126025, 1221043, 1687495, 3611675, 5412565, 6105215, 8437475, 24637427, 27062825, 30526075, 79023449, 89136139, 123187135, 395117245, 445680695, 615935675, 667910521, 1975586225, 2228403475, 3339552605, 16697763025, 48757468033, 243787340165, 1218936700825]

約数ペア:

[(1, 1218936700825), (5, 243787340165), (25, 48757468033), (73, 16697763025), (365, 3339552605), (547, 2228403475), (617, 1975586225), (1825, 667910521), (1979, 615935675), (2735, 445680695), (3085, 395117245), (9895, 123187135), (13675, 89136139), (15425, 79023449), (39931, 30526075), (45041, 27062825), (49475, 24637427), (144467, 8437475), (199655, 6105215), (225205, 5412565), (337499, 3611675), (722335, 1687495), (998275, 1221043), (1082513, 1126025)]