197755439

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 240670080

約数和(自身を除く): 42914641

約数列:

[1, 7, 19, 133, 139, 361, 563, 973, 2527, 2641, 3941, 10697, 18487, 50179, 74879, 78257, 203243, 351253, 547799, 1422701, 1486883, 10408181, 28250777, 197755439]

約数ペア:

[(1, 197755439), (7, 28250777), (19, 10408181), (133, 1486883), (139, 1422701), (361, 547799), (563, 351253), (973, 203243), (2527, 78257), (2641, 74879), (3941, 50179), (10697, 18487)]