81920004

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 194830272

約数和(自身を除く): 112910268

約数列:

[1, 2, 3, 4, 6, 12, 83, 166, 233, 249, 332, 353, 466, 498, 699, 706, 932, 996, 1059, 1398, 1412, 2118, 2796, 4236, 19339, 29299, 38678, 58017, 58598, 77356, 82249, 87897, 116034, 117196, 164498, 175794, 232068, 246747, 328996, 351588, 493494, 986988, 6826667, 13653334, 20480001, 27306668, 40960002, 81920004]

約数ペア:

[(1, 81920004), (2, 40960002), (3, 27306668), (4, 20480001), (6, 13653334), (12, 6826667), (83, 986988), (166, 493494), (233, 351588), (249, 328996), (332, 246747), (353, 232068), (466, 175794), (498, 164498), (699, 117196), (706, 116034), (932, 87897), (996, 82249), (1059, 77356), (1398, 58598), (1412, 58017), (2118, 38678), (2796, 29299), (4236, 19339)]