206869915

素因数分解:

$5^1\times 7^2\times {\mathrm{827}}^1\times {\mathrm{1021}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 289405872

約数和(自身を除く): 82535957

約数列:

[1, 5, 7, 35, 49, 245, 827, 1021, 4135, 5105, 5789, 7147, 28945, 35735, 40523, 50029, 202615, 250145, 844367, 4221835, 5910569, 29552845, 41373983, 206869915]

約数ペア:

[(1, 206869915), (5, 41373983), (7, 29552845), (35, 5910569), (49, 4221835), (245, 844367), (827, 250145), (1021, 202615), (4135, 50029), (5105, 40523), (5789, 35735), (7147, 28945)]