208148428

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 387072000

約数和(自身を除く): 178923572

約数列:

[1, 2, 4, 29, 58, 71, 116, 127, 142, 199, 254, 284, 398, 508, 796, 2059, 3683, 4118, 5771, 7366, 8236, 9017, 11542, 14129, 14732, 18034, 23084, 25273, 28258, 36068, 50546, 56516, 101092, 261493, 409741, 522986, 732917, 819482, 1045972, 1465834, 1638964, 1794383, 2931668, 3588766, 7177532, 52037107, 104074214, 208148428]

約数ペア:

[(1, 208148428), (2, 104074214), (4, 52037107), (29, 7177532), (58, 3588766), (71, 2931668), (116, 1794383), (127, 1638964), (142, 1465834), (199, 1045972), (254, 819482), (284, 732917), (398, 522986), (508, 409741), (796, 261493), (2059, 101092), (3683, 56516), (4118, 50546), (5771, 36068), (7366, 28258), (8236, 25273), (9017, 23084), (11542, 18034), (14129, 14732)]