12620656

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 25355024

約数和(自身を除く): 12734368

約数列:

[1, 2, 4, 8, 16, 61, 67, 122, 134, 193, 244, 268, 386, 488, 536, 772, 976, 1072, 1544, 3088, 4087, 8174, 11773, 12931, 16348, 23546, 25862, 32696, 47092, 51724, 65392, 94184, 103448, 188368, 206896, 788791, 1577582, 3155164, 6310328, 12620656]

約数ペア:

[(1, 12620656), (2, 6310328), (4, 3155164), (8, 1577582), (16, 788791), (61, 206896), (67, 188368), (122, 103448), (134, 94184), (193, 65392), (244, 51724), (268, 47092), (386, 32696), (488, 25862), (536, 23546), (772, 16348), (976, 12931), (1072, 11773), (1544, 8174), (3088, 4087)]