28508788

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1889}}^1$

素因数の和:1925

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 34995212

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 1889, 2156, 3773, 3778, 7546, 7556, 13223, 15092, 20779, 26446, 41558, 52892, 83116, 92561, 145453, 185122, 290906, 370244, 581812, 647927, 1018171, 1295854, 2036342, 2591708, 4072684, 7127197, 14254394, 28508788]

約数ペア:

[(1, 28508788), (2, 14254394), (4, 7127197), (7, 4072684), (11, 2591708), (14, 2036342), (22, 1295854), (28, 1018171), (44, 647927), (49, 581812), (77, 370244), (98, 290906), (154, 185122), (196, 145453), (308, 92561), (343, 83116), (539, 52892), (686, 41558), (1078, 26446), (1372, 20779), (1889, 15092), (2156, 13223), (3773, 7556), (3778, 7546)]