28731208

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 60233040

約数和(自身を除く): 31501832

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 121, 134, 242, 268, 443, 484, 536, 737, 886, 968, 1474, 1772, 2948, 3544, 4873, 5896, 8107, 9746, 16214, 19492, 29681, 32428, 38984, 53603, 59362, 64856, 107206, 118724, 214412, 237448, 326491, 428824, 652982, 1305964, 2611928, 3591401, 7182802, 14365604, 28731208]

約数ペア:

[(1, 28731208), (2, 14365604), (4, 7182802), (8, 3591401), (11, 2611928), (22, 1305964), (44, 652982), (67, 428824), (88, 326491), (121, 237448), (134, 214412), (242, 118724), (268, 107206), (443, 64856), (484, 59362), (536, 53603), (737, 38984), (886, 32428), (968, 29681), (1474, 19492), (1772, 16214), (2948, 9746), (3544, 8107), (4873, 5896)]