81547768

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{1123}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 158821200

約数和(自身を除く): 77273432

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 313, 626, 1123, 1252, 2246, 2504, 4492, 8984, 9077, 18154, 32567, 36308, 65134, 72616, 130268, 260536, 351499, 702998, 1405996, 2811992, 10193471, 20386942, 40773884, 81547768]

約数ペア:

[(1, 81547768), (2, 40773884), (4, 20386942), (8, 10193471), (29, 2811992), (58, 1405996), (116, 702998), (232, 351499), (313, 260536), (626, 130268), (1123, 72616), (1252, 65134), (2246, 36308), (2504, 32567), (4492, 18154), (8984, 9077)]