204442796

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{10139}}^1$

素因数の和:10285

約数の個数: 18

約数和(自身を含む): 362920740

約数和(自身を除く): 158477944

約数列:

[1, 2, 4, 71, 142, 284, 5041, 10082, 10139, 20164, 20278, 40556, 719869, 1439738, 2879476, 51110699, 102221398, 204442796]

約数ペア:

[(1, 204442796), (2, 102221398), (4, 51110699), (71, 2879476), (142, 1439738), (284, 719869), (5041, 40556), (10082, 20278), (10139, 20164)]