28132008

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 79004160

約数和(自身を除く): 50872152

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 102, 114, 136, 152, 191, 204, 228, 323, 361, 382, 408, 456, 573, 646, 722, 764, 969, 1083, 1146, 1292, 1444, 1528, 1938, 2166, 2292, 2584, 2888, 3247, 3629, 3876, 4332, 4584, 6137, 6494, 7258, 7752, 8664, 9741, 10887, 12274, 12988, 14516, 18411, 19482, 21774, 24548, 25976, 29032, 36822, 38964, 43548, 49096, 61693, 68951, 73644, 77928, 87096, 123386, 137902, 147288, 185079, 206853, 246772, 275804, 370158, 413706, 493544, 551608, 740316, 827412, 1172167, 1480632, 1654824, 2344334, 3516501, 4688668, 7033002, 9377336, 14066004, 28132008]

約数ペア:

[(1, 28132008), (2, 14066004), (3, 9377336), (4, 7033002), (6, 4688668), (8, 3516501), (12, 2344334), (17, 1654824), (19, 1480632), (24, 1172167), (34, 827412), (38, 740316), (51, 551608), (57, 493544), (68, 413706), (76, 370158), (102, 275804), (114, 246772), (136, 206853), (152, 185079), (191, 147288), (204, 137902), (228, 123386), (323, 87096), (361, 77928), (382, 73644), (408, 68951), (456, 61693), (573, 49096), (646, 43548), (722, 38964), (764, 36822), (969, 29032), (1083, 25976), (1146, 24548), (1292, 21774), (1444, 19482), (1528, 18411), (1938, 14516), (2166, 12988), (2292, 12274), (2584, 10887), (2888, 9741), (3247, 8664), (3629, 7752), (3876, 7258), (4332, 6494), (4584, 6137)]