197571999457

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{128993}}^1$

素因数の和:129289

約数の個数: 32

約数和(自身を含む): 244151587584

約数和(自身を除く): 46579588127

約数列:

[1, 7, 17, 61, 119, 211, 427, 1037, 1477, 3587, 7259, 12871, 25109, 90097, 128993, 218807, 902951, 1531649, 2192881, 7868573, 15350167, 27217523, 55080011, 133765741, 190522661, 462697891, 936360187, 1660268903, 3238885237, 11621882321, 28224571351, 197571999457]

約数ペア:

[(1, 197571999457), (7, 28224571351), (17, 11621882321), (61, 3238885237), (119, 1660268903), (211, 936360187), (427, 462697891), (1037, 190522661), (1477, 133765741), (3587, 55080011), (7259, 27217523), (12871, 15350167), (25109, 7868573), (90097, 2192881), (128993, 1531649), (218807, 902951)]