68904388

素因数分解:

$2^2\times 7^2\times {\mathrm{317}}^1\times {\mathrm{1109}}^1$

素因数の和:1444

約数の個数: 36

約数和(自身を含む): 140839020

約数和(自身を除く): 71934632

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 317, 634, 1109, 1268, 2218, 2219, 4436, 4438, 7763, 8876, 15526, 15533, 31052, 31066, 54341, 62132, 108682, 217364, 351553, 703106, 1406212, 2460871, 4921742, 9843484, 17226097, 34452194, 68904388]

約数ペア:

[(1, 68904388), (2, 34452194), (4, 17226097), (7, 9843484), (14, 4921742), (28, 2460871), (49, 1406212), (98, 703106), (196, 351553), (317, 217364), (634, 108682), (1109, 62132), (1268, 54341), (2218, 31066), (2219, 31052), (4436, 15533), (4438, 15526), (7763, 8876)]