263531008

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 120

約数和(自身を含む): 606765852

約数和(自身を除く): 343234844

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 137, 208, 221, 256, 272, 274, 289, 416, 442, 512, 544, 548, 578, 832, 884, 1088, 1096, 1156, 1664, 1768, 1781, 2176, 2192, 2312, 2329, 3328, 3536, 3562, 3757, 4352, 4384, 4624, 4658, 6656, 7072, 7124, 7514, 8704, 8768, 9248, 9316, 14144, 14248, 15028, 17536, 18496, 18632, 28288, 28496, 30056, 30277, 35072, 36992, 37264, 39593, 56576, 56992, 60112, 60554, 70144, 73984, 74528, 79186, 113152, 113984, 120224, 121108, 147968, 149056, 158372, 227968, 240448, 242216, 298112, 316744, 455936, 480896, 484432, 514709, 596224, 633488, 911872, 961792, 968864, 1029418, 1192448, 1266976, 1923584, 1937728, 2058836, 2533952, 3875456, 4117672, 5067904, 7750912, 8235344, 10135808, 15501824, 16470688, 20271616, 32941376, 65882752, 131765504, 263531008]

約数ペア:

[(1, 263531008), (2, 131765504), (4, 65882752), (8, 32941376), (13, 20271616), (16, 16470688), (17, 15501824), (26, 10135808), (32, 8235344), (34, 7750912), (52, 5067904), (64, 4117672), (68, 3875456), (104, 2533952), (128, 2058836), (136, 1937728), (137, 1923584), (208, 1266976), (221, 1192448), (256, 1029418), (272, 968864), (274, 961792), (289, 911872), (416, 633488), (442, 596224), (512, 514709), (544, 484432), (548, 480896), (578, 455936), (832, 316744), (884, 298112), (1088, 242216), (1096, 240448), (1156, 227968), (1664, 158372), (1768, 149056), (1781, 147968), (2176, 121108), (2192, 120224), (2312, 113984), (2329, 113152), (3328, 79186), (3536, 74528), (3562, 73984), (3757, 70144), (4352, 60554), (4384, 60112), (4624, 56992), (4658, 56576), (6656, 39593), (7072, 37264), (7124, 36992), (7514, 35072), (8704, 30277), (8768, 30056), (9248, 28496), (9316, 28288), (14144, 18632), (14248, 18496), (15028, 17536)]