2801564517

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2301

約数の個数: 32

約数和(自身を含む): 3931200000

約数和(自身を除く): 1129635483

約数列:

[1, 3, 29, 87, 89, 181, 267, 543, 1999, 2581, 5249, 5997, 7743, 15747, 16109, 48327, 57971, 173913, 177911, 361819, 467161, 533733, 1085457, 1401483, 5159419, 10492751, 15478257, 31478253, 32201891, 96605673, 933854839, 2801564517]

約数ペア:

[(1, 2801564517), (3, 933854839), (29, 96605673), (87, 32201891), (89, 31478253), (181, 15478257), (267, 10492751), (543, 5159419), (1999, 1401483), (2581, 1085457), (5249, 533733), (5997, 467161), (7743, 361819), (15747, 177911), (16109, 173913), (48327, 57971)]