256972544

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 548347968

約数和(自身を除く): 291375424

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 137, 256, 272, 274, 431, 544, 548, 862, 1088, 1096, 1724, 2176, 2192, 2329, 3448, 4352, 4384, 4658, 6896, 7327, 8768, 9316, 13792, 14654, 17536, 18632, 27584, 29308, 35072, 37264, 55168, 58616, 59047, 74528, 110336, 117232, 118094, 149056, 234464, 236188, 298112, 468928, 472376, 596224, 937856, 944752, 1003799, 1875712, 1889504, 2007598, 3779008, 4015196, 7558016, 8030392, 15116032, 16060784, 32121568, 64243136, 128486272, 256972544]

約数ペア:

[(1, 256972544), (2, 128486272), (4, 64243136), (8, 32121568), (16, 16060784), (17, 15116032), (32, 8030392), (34, 7558016), (64, 4015196), (68, 3779008), (128, 2007598), (136, 1889504), (137, 1875712), (256, 1003799), (272, 944752), (274, 937856), (431, 596224), (544, 472376), (548, 468928), (862, 298112), (1088, 236188), (1096, 234464), (1724, 149056), (2176, 118094), (2192, 117232), (2329, 110336), (3448, 74528), (4352, 59047), (4384, 58616), (4658, 55168), (6896, 37264), (7327, 35072), (8768, 29308), (9316, 27584), (13792, 18632), (14654, 17536)]