28124564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 55695360

約数和(自身を除く): 27570796

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 73, 124, 146, 239, 292, 403, 478, 806, 949, 956, 1612, 1898, 2263, 3107, 3796, 4526, 6214, 7409, 9052, 12428, 14818, 17447, 29419, 29636, 34894, 58838, 69788, 96317, 117676, 192634, 226811, 385268, 453622, 540857, 907244, 1081714, 2163428, 7031141, 14062282, 28124564]

約数ペア:

[(1, 28124564), (2, 14062282), (4, 7031141), (13, 2163428), (26, 1081714), (31, 907244), (52, 540857), (62, 453622), (73, 385268), (124, 226811), (146, 192634), (239, 117676), (292, 96317), (403, 69788), (478, 58838), (806, 34894), (949, 29636), (956, 29419), (1612, 17447), (1898, 14818), (2263, 12428), (3107, 9052), (3796, 7409), (4526, 6214)]