139575919

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 175616000

約数和(自身を除く): 36040081

約数列:

[1, 7, 19, 31, 97, 133, 217, 349, 589, 679, 1843, 2443, 3007, 4123, 6631, 10819, 12901, 21049, 33853, 46417, 57133, 75733, 205561, 236971, 399931, 643207, 1049443, 1438927, 4502449, 7346101, 19939417, 139575919]

約数ペア:

[(1, 139575919), (7, 19939417), (19, 7346101), (31, 4502449), (97, 1438927), (133, 1049443), (217, 643207), (349, 399931), (589, 236971), (679, 205561), (1843, 75733), (2443, 57133), (3007, 46417), (4123, 33853), (6631, 21049), (10819, 12901)]