200820571

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 241413696

約数和(自身を除く): 40593125

約数列:

[1, 7, 37, 49, 257, 259, 431, 1799, 1813, 3017, 9509, 12593, 15947, 21119, 66563, 110767, 111629, 465941, 775369, 781403, 4098379, 5427583, 28688653, 200820571]

約数ペア:

[(1, 200820571), (7, 28688653), (37, 5427583), (49, 4098379), (257, 781403), (259, 775369), (431, 465941), (1799, 111629), (1813, 110767), (3017, 66563), (9509, 21119), (12593, 15947)]