1979029936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{541}}^1$

素因数の和:1014

約数の個数: 80

約数和(自身を含む): 4243513120

約数和(自身を除く): 2264483184

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 409, 541, 559, 688, 818, 1082, 1118, 1636, 2164, 2236, 3272, 4328, 4472, 5317, 6544, 7033, 8656, 8944, 10634, 14066, 17587, 21268, 23263, 28132, 35174, 42536, 46526, 56264, 70348, 85072, 93052, 112528, 140696, 186104, 221269, 228631, 281392, 302419, 372208, 442538, 457262, 604838, 885076, 914524, 1209676, 1770152, 1829048, 2419352, 2876497, 3540304, 3658096, 4838704, 5752994, 9514567, 11505988, 19029134, 23011976, 38058268, 46023952, 76116536, 123689371, 152233072, 247378742, 494757484, 989514968, 1979029936]

約数ペア:

[(1, 1979029936), (2, 989514968), (4, 494757484), (8, 247378742), (13, 152233072), (16, 123689371), (26, 76116536), (43, 46023952), (52, 38058268), (86, 23011976), (104, 19029134), (172, 11505988), (208, 9514567), (344, 5752994), (409, 4838704), (541, 3658096), (559, 3540304), (688, 2876497), (818, 2419352), (1082, 1829048), (1118, 1770152), (1636, 1209676), (2164, 914524), (2236, 885076), (3272, 604838), (4328, 457262), (4472, 442538), (5317, 372208), (6544, 302419), (7033, 281392), (8656, 228631), (8944, 221269), (10634, 186104), (14066, 140696), (17587, 112528), (21268, 93052), (23263, 85072), (28132, 70348), (35174, 56264), (42536, 46526)]