69978016

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 141474816

約数和(自身を除く): 71496800

約数列:

[1, 2, 4, 8, 16, 32, 67, 127, 134, 254, 257, 268, 508, 514, 536, 1016, 1028, 1072, 2032, 2056, 2144, 4064, 4112, 8224, 8509, 17018, 17219, 32639, 34036, 34438, 65278, 68072, 68876, 130556, 136144, 137752, 261112, 272288, 275504, 522224, 551008, 1044448, 2186813, 4373626, 8747252, 17494504, 34989008, 69978016]

約数ペア:

[(1, 69978016), (2, 34989008), (4, 17494504), (8, 8747252), (16, 4373626), (32, 2186813), (67, 1044448), (127, 551008), (134, 522224), (254, 275504), (257, 272288), (268, 261112), (508, 137752), (514, 136144), (536, 130556), (1016, 68876), (1028, 68072), (1072, 65278), (2032, 34438), (2056, 34036), (2144, 32639), (4064, 17219), (4112, 17018), (8224, 8509)]