221241352

素因数分解:

$2^3\times {\mathrm{37}}^2\times {\mathrm{20201}}^1$

素因数の和:20281

約数の個数: 24

約数和(自身を含む): 426363210

約数和(自身を除く): 205121858

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 1369, 2738, 5476, 10952, 20201, 40402, 80804, 161608, 747437, 1494874, 2989748, 5979496, 27655169, 55310338, 110620676, 221241352]

約数ペア:

[(1, 221241352), (2, 110620676), (4, 55310338), (8, 27655169), (37, 5979496), (74, 2989748), (148, 1494874), (296, 747437), (1369, 161608), (2738, 80804), (5476, 40402), (10952, 20201)]