128778894

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{439}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 286915200

約数和(自身を除く): 158136306

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 379, 387, 439, 758, 774, 878, 1137, 1317, 2274, 2634, 3411, 3951, 6822, 7902, 16297, 18877, 32594, 37754, 48891, 56631, 97782, 113262, 146673, 166381, 169893, 293346, 332762, 339786, 499143, 998286, 1497429, 2994858, 7154383, 14308766, 21463149, 42926298, 64389447, 128778894]

約数ペア:

[(1, 128778894), (2, 64389447), (3, 42926298), (6, 21463149), (9, 14308766), (18, 7154383), (43, 2994858), (86, 1497429), (129, 998286), (258, 499143), (379, 339786), (387, 332762), (439, 293346), (758, 169893), (774, 166381), (878, 146673), (1137, 113262), (1317, 97782), (2274, 56631), (2634, 48891), (3411, 37754), (3951, 32594), (6822, 18877), (7902, 16297)]