263691008

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 639395904

約数和(自身を除く): 375704896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 41, 56, 64, 74, 82, 97, 112, 128, 148, 164, 194, 224, 256, 259, 287, 296, 328, 388, 448, 518, 574, 592, 656, 679, 776, 896, 1036, 1148, 1184, 1312, 1358, 1517, 1552, 1792, 2072, 2296, 2368, 2624, 2716, 3034, 3104, 3589, 3977, 4144, 4592, 4736, 5248, 5432, 6068, 6208, 7178, 7954, 8288, 9184, 9472, 10496, 10619, 10864, 12136, 12416, 14356, 15908, 16576, 18368, 21238, 21728, 24272, 24832, 25123, 27839, 28712, 31816, 33152, 36736, 42476, 43456, 48544, 50246, 55678, 57424, 63632, 66304, 73472, 84952, 86912, 97088, 100492, 111356, 114848, 127264, 147149, 169904, 173824, 194176, 200984, 222712, 229696, 254528, 294298, 339808, 388352, 401968, 445424, 459392, 509056, 588596, 679616, 803936, 890848, 918784, 1018112, 1030043, 1177192, 1359232, 1607872, 1781696, 2060086, 2354384, 2718464, 3215744, 3563392, 4120172, 4708768, 6431488, 7126784, 8240344, 9417536, 16480688, 18835072, 32961376, 37670144, 65922752, 131845504, 263691008]

約数ペア:

[(1, 263691008), (2, 131845504), (4, 65922752), (7, 37670144), (8, 32961376), (14, 18835072), (16, 16480688), (28, 9417536), (32, 8240344), (37, 7126784), (41, 6431488), (56, 4708768), (64, 4120172), (74, 3563392), (82, 3215744), (97, 2718464), (112, 2354384), (128, 2060086), (148, 1781696), (164, 1607872), (194, 1359232), (224, 1177192), (256, 1030043), (259, 1018112), (287, 918784), (296, 890848), (328, 803936), (388, 679616), (448, 588596), (518, 509056), (574, 459392), (592, 445424), (656, 401968), (679, 388352), (776, 339808), (896, 294298), (1036, 254528), (1148, 229696), (1184, 222712), (1312, 200984), (1358, 194176), (1517, 173824), (1552, 169904), (1792, 147149), (2072, 127264), (2296, 114848), (2368, 111356), (2624, 100492), (2716, 97088), (3034, 86912), (3104, 84952), (3589, 73472), (3977, 66304), (4144, 63632), (4592, 57424), (4736, 55678), (5248, 50246), (5432, 48544), (6068, 43456), (6208, 42476), (7178, 36736), (7954, 33152), (8288, 31816), (9184, 28712), (9472, 27839), (10496, 25123), (10619, 24832), (10864, 24272), (12136, 21728), (12416, 21238), (14356, 18368), (15908, 16576)]