261255904

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1332

約数の個数: 96

約数和(自身を含む): 642237120

約数和(自身を除く): 380981216

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 73, 91, 104, 112, 146, 182, 208, 224, 292, 364, 416, 511, 584, 728, 949, 1022, 1168, 1229, 1456, 1898, 2044, 2336, 2458, 2912, 3796, 4088, 4916, 6643, 7592, 8176, 8603, 9832, 13286, 15184, 15977, 16352, 17206, 19664, 26572, 30368, 31954, 34412, 39328, 53144, 63908, 68824, 89717, 106288, 111839, 127816, 137648, 179434, 212576, 223678, 255632, 275296, 358868, 447356, 511264, 628019, 717736, 894712, 1166321, 1256038, 1435472, 1789424, 2332642, 2512076, 2870944, 3578848, 4665284, 5024152, 8164247, 9330568, 10048304, 16328494, 18661136, 20096608, 32656988, 37322272, 65313976, 130627952, 261255904]

約数ペア:

[(1, 261255904), (2, 130627952), (4, 65313976), (7, 37322272), (8, 32656988), (13, 20096608), (14, 18661136), (16, 16328494), (26, 10048304), (28, 9330568), (32, 8164247), (52, 5024152), (56, 4665284), (73, 3578848), (91, 2870944), (104, 2512076), (112, 2332642), (146, 1789424), (182, 1435472), (208, 1256038), (224, 1166321), (292, 894712), (364, 717736), (416, 628019), (511, 511264), (584, 447356), (728, 358868), (949, 275296), (1022, 255632), (1168, 223678), (1229, 212576), (1456, 179434), (1898, 137648), (2044, 127816), (2336, 111839), (2458, 106288), (2912, 89717), (3796, 68824), (4088, 63908), (4916, 53144), (6643, 39328), (7592, 34412), (8176, 31954), (8603, 30368), (9832, 26572), (13286, 19664), (15184, 17206), (15977, 16352)]