518468864

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 1073737728

約数和(自身を除く): 555268864

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 127, 128, 148, 254, 256, 296, 431, 508, 592, 862, 1016, 1184, 1724, 2032, 2368, 3448, 4064, 4699, 4736, 6896, 8128, 9398, 9472, 13792, 15947, 16256, 18796, 27584, 31894, 32512, 37592, 54737, 55168, 63788, 75184, 109474, 110336, 127576, 150368, 218948, 255152, 300736, 437896, 510304, 601472, 875792, 1020608, 1202944, 1751584, 2025269, 2041216, 3503168, 4050538, 4082432, 7006336, 8101076, 14012672, 16202152, 32404304, 64808608, 129617216, 259234432, 518468864]

約数ペア:

[(1, 518468864), (2, 259234432), (4, 129617216), (8, 64808608), (16, 32404304), (32, 16202152), (37, 14012672), (64, 8101076), (74, 7006336), (127, 4082432), (128, 4050538), (148, 3503168), (254, 2041216), (256, 2025269), (296, 1751584), (431, 1202944), (508, 1020608), (592, 875792), (862, 601472), (1016, 510304), (1184, 437896), (1724, 300736), (2032, 255152), (2368, 218948), (3448, 150368), (4064, 127576), (4699, 110336), (4736, 109474), (6896, 75184), (8128, 63788), (9398, 55168), (9472, 54737), (13792, 37592), (15947, 32512), (16256, 31894), (18796, 27584)]