7811128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 17136000

約数和(自身を除く): 9324872

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 59, 67, 76, 104, 118, 134, 152, 236, 247, 268, 472, 494, 536, 767, 871, 988, 1121, 1273, 1534, 1742, 1976, 2242, 2546, 3068, 3484, 3953, 4484, 5092, 6136, 6968, 7906, 8968, 10184, 14573, 15812, 16549, 29146, 31624, 33098, 51389, 58292, 66196, 75107, 102778, 116584, 132392, 150214, 205556, 300428, 411112, 600856, 976391, 1952782, 3905564, 7811128]

約数ペア:

[(1, 7811128), (2, 3905564), (4, 1952782), (8, 976391), (13, 600856), (19, 411112), (26, 300428), (38, 205556), (52, 150214), (59, 132392), (67, 116584), (76, 102778), (104, 75107), (118, 66196), (134, 58292), (152, 51389), (236, 33098), (247, 31624), (268, 29146), (472, 16549), (494, 15812), (536, 14573), (767, 10184), (871, 8968), (988, 7906), (1121, 6968), (1273, 6136), (1534, 5092), (1742, 4484), (1976, 3953), (2242, 3484), (2546, 3068)]