28719944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 62856000

約数和(自身を除く): 34136056

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 89, 152, 178, 193, 209, 356, 386, 418, 712, 772, 836, 979, 1544, 1672, 1691, 1958, 2123, 3382, 3667, 3916, 4246, 6764, 7334, 7832, 8492, 13528, 14668, 16984, 17177, 18601, 29336, 34354, 37202, 40337, 68708, 74404, 80674, 137416, 148808, 161348, 188947, 322696, 326363, 377894, 652726, 755788, 1305452, 1511576, 2610904, 3589993, 7179986, 14359972, 28719944]

約数ペア:

[(1, 28719944), (2, 14359972), (4, 7179986), (8, 3589993), (11, 2610904), (19, 1511576), (22, 1305452), (38, 755788), (44, 652726), (76, 377894), (88, 326363), (89, 322696), (152, 188947), (178, 161348), (193, 148808), (209, 137416), (356, 80674), (386, 74404), (418, 68708), (712, 40337), (772, 37202), (836, 34354), (979, 29336), (1544, 18601), (1672, 17177), (1691, 16984), (1958, 14668), (2123, 13528), (3382, 8492), (3667, 7832), (3916, 7334), (4246, 6764)]