198345385

素因数分解:

$5^1\times 7^2\times {\mathrm{631}}^1\times {\mathrm{1283}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 277528896

約数和(自身を除く): 79183511

約数列:

[1, 5, 7, 35, 49, 245, 631, 1283, 3155, 4417, 6415, 8981, 22085, 30919, 44905, 62867, 154595, 314335, 809573, 4047865, 5667011, 28335055, 39669077, 198345385]

約数ペア:

[(1, 198345385), (5, 39669077), (7, 28335055), (35, 5667011), (49, 4047865), (245, 809573), (631, 314335), (1283, 154595), (3155, 62867), (4417, 44905), (6415, 30919), (8981, 22085)]