521291264

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 120

約数和(自身を含む): 1195944288

約数和(自身を除く): 674653024

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 271, 272, 289, 416, 442, 512, 542, 544, 578, 832, 884, 1084, 1088, 1156, 1664, 1768, 2168, 2176, 2312, 3328, 3523, 3536, 3757, 4336, 4352, 4607, 4624, 6656, 7046, 7072, 7514, 8672, 8704, 9214, 9248, 14092, 14144, 15028, 17344, 18428, 18496, 28184, 28288, 30056, 34688, 36856, 36992, 56368, 56576, 59891, 60112, 69376, 73712, 73984, 78319, 112736, 113152, 119782, 120224, 138752, 147424, 147968, 156638, 225472, 239564, 240448, 294848, 313276, 450944, 479128, 480896, 589696, 626552, 901888, 958256, 961792, 1018147, 1179392, 1253104, 1803776, 1916512, 1923584, 2036294, 2358784, 2506208, 3833024, 4072588, 5012416, 7666048, 8145176, 10024832, 15332096, 16290352, 20049664, 30664192, 32580704, 40099328, 65161408, 130322816, 260645632, 521291264]

約数ペア:

[(1, 521291264), (2, 260645632), (4, 130322816), (8, 65161408), (13, 40099328), (16, 32580704), (17, 30664192), (26, 20049664), (32, 16290352), (34, 15332096), (52, 10024832), (64, 8145176), (68, 7666048), (104, 5012416), (128, 4072588), (136, 3833024), (208, 2506208), (221, 2358784), (256, 2036294), (271, 1923584), (272, 1916512), (289, 1803776), (416, 1253104), (442, 1179392), (512, 1018147), (542, 961792), (544, 958256), (578, 901888), (832, 626552), (884, 589696), (1084, 480896), (1088, 479128), (1156, 450944), (1664, 313276), (1768, 294848), (2168, 240448), (2176, 239564), (2312, 225472), (3328, 156638), (3523, 147968), (3536, 147424), (3757, 138752), (4336, 120224), (4352, 119782), (4607, 113152), (4624, 112736), (6656, 78319), (7046, 73984), (7072, 73712), (7514, 69376), (8672, 60112), (8704, 59891), (9214, 56576), (9248, 56368), (14092, 36992), (14144, 36856), (15028, 34688), (17344, 30056), (18428, 28288), (18496, 28184)]