209991034

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{28837}}^1$

素因数の和:29181

約数の個数: 16

約数和(自身を含む): 344671776

約数和(自身を除く): 134680742

約数列:

[1, 2, 11, 22, 331, 662, 3641, 7282, 28837, 57674, 317207, 634414, 9545047, 19090094, 104995517, 209991034]

約数ペア:

[(1, 209991034), (2, 104995517), (11, 19090094), (22, 9545047), (331, 634414), (662, 317207), (3641, 57674), (7282, 28837)]