28123256

素因数分解:

$2^3\times 7^3\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 63384000

約数和(自身を除く): 35260744

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 277, 296, 343, 392, 518, 554, 686, 1036, 1108, 1372, 1813, 1939, 2072, 2216, 2744, 3626, 3878, 7252, 7756, 10249, 12691, 13573, 14504, 15512, 20498, 25382, 27146, 40996, 50764, 54292, 71743, 81992, 95011, 101528, 108584, 143486, 190022, 286972, 380044, 502201, 573944, 760088, 1004402, 2008804, 3515407, 4017608, 7030814, 14061628, 28123256]

約数ペア:

[(1, 28123256), (2, 14061628), (4, 7030814), (7, 4017608), (8, 3515407), (14, 2008804), (28, 1004402), (37, 760088), (49, 573944), (56, 502201), (74, 380044), (98, 286972), (148, 190022), (196, 143486), (259, 108584), (277, 101528), (296, 95011), (343, 81992), (392, 71743), (518, 54292), (554, 50764), (686, 40996), (1036, 27146), (1108, 25382), (1372, 20498), (1813, 15512), (1939, 14504), (2072, 13573), (2216, 12691), (2744, 10249), (3626, 7756), (3878, 7252)]