281374352

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{81041}}^1$

素因数の和:81087

約数の個数: 40

約数和(自身を含む): 643149312

約数和(自身を除く): 361774960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 81041, 162082, 324164, 567287, 648328, 1134574, 1296656, 2269148, 2512271, 4538296, 5024542, 9076592, 10049084, 17585897, 20098168, 35171794, 40196336, 70343588, 140687176, 281374352]

約数ペア:

[(1, 281374352), (2, 140687176), (4, 70343588), (7, 40196336), (8, 35171794), (14, 20098168), (16, 17585897), (28, 10049084), (31, 9076592), (56, 5024542), (62, 4538296), (112, 2512271), (124, 2269148), (217, 1296656), (248, 1134574), (434, 648328), (496, 567287), (868, 324164), (1736, 162082), (3472, 81041)]