205291264

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{19559}}^1$

素因数の和:19616

約数の個数: 36

約数和(自身を含む): 419796720

約数和(自身を除く): 214505456

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 2624, 5248, 10496, 19559, 39118, 78236, 156472, 312944, 625888, 801919, 1251776, 1603838, 2503552, 3207676, 5007104, 6415352, 12830704, 25661408, 51322816, 102645632, 205291264]

約数ペア:

[(1, 205291264), (2, 102645632), (4, 51322816), (8, 25661408), (16, 12830704), (32, 6415352), (41, 5007104), (64, 3207676), (82, 2503552), (128, 1603838), (164, 1251776), (256, 801919), (328, 625888), (656, 312944), (1312, 156472), (2624, 78236), (5248, 39118), (10496, 19559)]