399147028

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{971}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 817133184

約数和(自身を除く): 417986156

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 277, 371, 554, 742, 971, 1108, 1484, 1939, 1942, 3878, 3884, 6797, 7756, 13594, 14681, 27188, 29362, 51463, 58724, 102767, 102926, 205534, 205852, 268967, 360241, 411068, 537934, 720482, 1075868, 1440964, 1882769, 3765538, 7531076, 14255251, 28510502, 57021004, 99786757, 199573514, 399147028]

約数ペア:

[(1, 399147028), (2, 199573514), (4, 99786757), (7, 57021004), (14, 28510502), (28, 14255251), (53, 7531076), (106, 3765538), (212, 1882769), (277, 1440964), (371, 1075868), (554, 720482), (742, 537934), (971, 411068), (1108, 360241), (1484, 268967), (1939, 205852), (1942, 205534), (3878, 102926), (3884, 102767), (6797, 58724), (7756, 51463), (13594, 29362), (14681, 27188)]