208865951

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{2917}}^1$

素因数の和:3170

約数の個数: 16

約数和(自身を含む): 244551744

約数和(自身を除く): 35685793

約数列:

[1, 7, 53, 193, 371, 1351, 2917, 10229, 20419, 71603, 154601, 562981, 1082207, 3940867, 29837993, 208865951]

約数ペア:

[(1, 208865951), (7, 29837993), (53, 3940867), (193, 1082207), (371, 562981), (1351, 154601), (2917, 71603), (10229, 20419)]