261624064

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 567741440

約数和(自身を除く): 306117376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 256, 416, 508, 619, 832, 1016, 1238, 1651, 1664, 2032, 2476, 3302, 3328, 4064, 4952, 6604, 8047, 8128, 9904, 13208, 16094, 16256, 19808, 26416, 32188, 32512, 39616, 52832, 64376, 78613, 79232, 105664, 128752, 157226, 158464, 211328, 257504, 314452, 422656, 515008, 628904, 1021969, 1030016, 1257808, 2043938, 2060032, 2515616, 4087876, 5031232, 8175752, 10062464, 16351504, 20124928, 32703008, 65406016, 130812032, 261624064]

約数ペア:

[(1, 261624064), (2, 130812032), (4, 65406016), (8, 32703008), (13, 20124928), (16, 16351504), (26, 10062464), (32, 8175752), (52, 5031232), (64, 4087876), (104, 2515616), (127, 2060032), (128, 2043938), (208, 1257808), (254, 1030016), (256, 1021969), (416, 628904), (508, 515008), (619, 422656), (832, 314452), (1016, 257504), (1238, 211328), (1651, 158464), (1664, 157226), (2032, 128752), (2476, 105664), (3302, 79232), (3328, 78613), (4064, 64376), (4952, 52832), (6604, 39616), (8047, 32512), (8128, 32188), (9904, 26416), (13208, 19808), (16094, 16256)]