28607216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 65138688

約数和(自身を除く): 36531472

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 37, 44, 46, 74, 88, 92, 148, 176, 184, 191, 253, 296, 368, 382, 407, 506, 592, 764, 814, 851, 1012, 1528, 1628, 1702, 2024, 2101, 3056, 3256, 3404, 4048, 4202, 4393, 6512, 6808, 7067, 8404, 8786, 9361, 13616, 14134, 16808, 17572, 18722, 28268, 33616, 35144, 37444, 48323, 56536, 70288, 74888, 77737, 96646, 113072, 149776, 155474, 162541, 193292, 310948, 325082, 386584, 621896, 650164, 773168, 1243792, 1300328, 1787951, 2600656, 3575902, 7151804, 14303608, 28607216]

約数ペア:

[(1, 28607216), (2, 14303608), (4, 7151804), (8, 3575902), (11, 2600656), (16, 1787951), (22, 1300328), (23, 1243792), (37, 773168), (44, 650164), (46, 621896), (74, 386584), (88, 325082), (92, 310948), (148, 193292), (176, 162541), (184, 155474), (191, 149776), (253, 113072), (296, 96646), (368, 77737), (382, 74888), (407, 70288), (506, 56536), (592, 48323), (764, 37444), (814, 35144), (851, 33616), (1012, 28268), (1528, 18722), (1628, 17572), (1702, 16808), (2024, 14134), (2101, 13616), (3056, 9361), (3256, 8786), (3404, 8404), (4048, 7067), (4202, 6808), (4393, 6512)]