197705569

素因数分解:

${\mathrm{31}}^2\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:972

約数の個数: 12

約数和(自身を含む): 205193520

約数和(自身を除く): 7487951

約数列:

[1, 31, 419, 491, 961, 12989, 15221, 205729, 402659, 471851, 6377599, 197705569]

約数ペア:

[(1, 197705569), (31, 6377599), (419, 471851), (491, 402659), (961, 205729), (12989, 15221)]