221286376

素因数分解:

$2^3\times {\mathrm{173}}^1\times {\mathrm{281}}^1\times {\mathrm{569}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 419531400

約数和(自身を除く): 198245024

約数列:

[1, 2, 4, 8, 173, 281, 346, 562, 569, 692, 1124, 1138, 1384, 2248, 2276, 4552, 48613, 97226, 98437, 159889, 194452, 196874, 319778, 388904, 393748, 639556, 787496, 1279112, 27660797, 55321594, 110643188, 221286376]

約数ペア:

[(1, 221286376), (2, 110643188), (4, 55321594), (8, 27660797), (173, 1279112), (281, 787496), (346, 639556), (562, 393748), (569, 388904), (692, 319778), (1124, 196874), (1138, 194452), (1384, 159889), (2248, 98437), (2276, 97226), (4552, 48613)]