640797311

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{9257}}^1$

素因数の和:9335

約数の個数: 32

約数和(自身を含む): 853217280

約数和(自身を除く): 212419969

約数列:

[1, 7, 11, 29, 31, 77, 203, 217, 319, 341, 899, 2233, 2387, 6293, 9257, 9889, 64799, 69223, 101827, 268453, 286967, 712789, 1879171, 2008769, 2952983, 3156637, 8322043, 20670881, 22096459, 58254301, 91542473, 640797311]

約数ペア:

[(1, 640797311), (7, 91542473), (11, 58254301), (29, 22096459), (31, 20670881), (77, 8322043), (203, 3156637), (217, 2952983), (319, 2008769), (341, 1879171), (899, 712789), (2233, 286967), (2387, 268453), (6293, 101827), (9257, 69223), (9889, 64799)]