81986856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1217}}^1$

素因数の和:1634

約数の個数: 64

約数和(自身を含む): 235025280

約数和(自身を除く): 153038424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 401, 802, 1203, 1217, 1604, 2406, 2434, 2807, 3208, 3651, 4812, 4868, 5614, 7302, 8421, 8519, 9624, 9736, 11228, 14604, 16842, 17038, 22456, 25557, 29208, 33684, 34076, 51114, 67368, 68152, 102228, 204456, 488017, 976034, 1464051, 1952068, 2928102, 3416119, 3904136, 5856204, 6832238, 10248357, 11712408, 13664476, 20496714, 27328952, 40993428, 81986856]

約数ペア:

[(1, 81986856), (2, 40993428), (3, 27328952), (4, 20496714), (6, 13664476), (7, 11712408), (8, 10248357), (12, 6832238), (14, 5856204), (21, 3904136), (24, 3416119), (28, 2928102), (42, 1952068), (56, 1464051), (84, 976034), (168, 488017), (401, 204456), (802, 102228), (1203, 68152), (1217, 67368), (1604, 51114), (2406, 34076), (2434, 33684), (2807, 29208), (3208, 25557), (3651, 22456), (4812, 17038), (4868, 16842), (5614, 14604), (7302, 11228), (8421, 9736), (8519, 9624)]