2720648

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2589

約数の個数: 32

約数和(自身を含む): 6139200

約数和(自身を除く): 3418552

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 2557, 5114, 10228, 17899, 20456, 35798, 48583, 71596, 97166, 143192, 194332, 340081, 388664, 680162, 1360324, 2720648]

約数ペア:

[(1, 2720648), (2, 1360324), (4, 680162), (7, 388664), (8, 340081), (14, 194332), (19, 143192), (28, 97166), (38, 71596), (56, 48583), (76, 35798), (133, 20456), (152, 17899), (266, 10228), (532, 5114), (1064, 2557)]