998151791

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 1248780288

約数和(自身を除く): 250628497

約数列:

[1, 7, 13, 91, 101, 223, 487, 707, 1313, 1561, 2899, 3409, 6331, 9191, 20293, 22523, 44317, 49187, 108601, 157661, 292799, 344309, 639431, 760207, 1411813, 2049593, 4476017, 9882691, 10968701, 76780907, 142593113, 998151791]

約数ペア:

[(1, 998151791), (7, 142593113), (13, 76780907), (91, 10968701), (101, 9882691), (223, 4476017), (487, 2049593), (707, 1411813), (1313, 760207), (1561, 639431), (2899, 344309), (3409, 292799), (6331, 157661), (9191, 108601), (20293, 49187), (22523, 44317)]