68782728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1021}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 197205120

約数和(自身を除く): 128422392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 401, 802, 1021, 1203, 1604, 2042, 2406, 2807, 3063, 3208, 4084, 4812, 5614, 6126, 7147, 8168, 8421, 9624, 11228, 12252, 14294, 16842, 21441, 22456, 24504, 28588, 33684, 42882, 57176, 67368, 85764, 171528, 409421, 818842, 1228263, 1637684, 2456526, 2865947, 3275368, 4913052, 5731894, 8597841, 9826104, 11463788, 17195682, 22927576, 34391364, 68782728]

約数ペア:

[(1, 68782728), (2, 34391364), (3, 22927576), (4, 17195682), (6, 11463788), (7, 9826104), (8, 8597841), (12, 5731894), (14, 4913052), (21, 3275368), (24, 2865947), (28, 2456526), (42, 1637684), (56, 1228263), (84, 818842), (168, 409421), (401, 171528), (802, 85764), (1021, 67368), (1203, 57176), (1604, 42882), (2042, 33684), (2406, 28588), (2807, 24504), (3063, 22456), (3208, 21441), (4084, 16842), (4812, 14294), (5614, 12252), (6126, 11228), (7147, 9624), (8168, 8421)]