22128988

素因数分解:

$2^2\times 7^3\times {\mathrm{127}}^2$

素因数の和:279

約数の個数: 36

約数和(自身を含む): 45519600

約数和(自身を除く): 23390612

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 343, 508, 686, 889, 1372, 1778, 3556, 6223, 12446, 16129, 24892, 32258, 43561, 64516, 87122, 112903, 174244, 225806, 451612, 790321, 1580642, 3161284, 5532247, 11064494, 22128988]

約数ペア:

[(1, 22128988), (2, 11064494), (4, 5532247), (7, 3161284), (14, 1580642), (28, 790321), (49, 451612), (98, 225806), (127, 174244), (196, 112903), (254, 87122), (343, 64516), (508, 43561), (686, 32258), (889, 24892), (1372, 16129), (1778, 12446), (3556, 6223)]