208609874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{433}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 348727680

約数和(自身を除く): 140117806

約数列:

[1, 2, 11, 22, 61, 122, 359, 433, 671, 718, 866, 1342, 3949, 4763, 7898, 9526, 21899, 26413, 43798, 52826, 155447, 240889, 290543, 310894, 481778, 581086, 1709917, 3419834, 9482267, 18964534, 104304937, 208609874]

約数ペア:

[(1, 208609874), (2, 104304937), (11, 18964534), (22, 9482267), (61, 3419834), (122, 1709917), (359, 581086), (433, 481778), (671, 310894), (718, 290543), (866, 240889), (1342, 155447), (3949, 52826), (4763, 43798), (7898, 26413), (9526, 21899)]