128706690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{612889}}^1$

素因数の和:612906

約数の個数: 32

約数和(自身を含む): 353024640

約数和(自身を除く): 224317950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 612889, 1225778, 1838667, 3064445, 3677334, 4290223, 6128890, 8580446, 9193335, 12870669, 18386670, 21451115, 25741338, 42902230, 64353345, 128706690]

約数ペア:

[(1, 128706690), (2, 64353345), (3, 42902230), (5, 25741338), (6, 21451115), (7, 18386670), (10, 12870669), (14, 9193335), (15, 8580446), (21, 6128890), (30, 4290223), (35, 3677334), (42, 3064445), (70, 1838667), (105, 1225778), (210, 612889)]