1991485361

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 2222774400

約数和(自身を除く): 231289039

約数列:

[1, 19, 29, 61, 193, 307, 551, 1159, 1769, 3667, 5597, 5833, 8903, 11773, 18727, 33611, 59251, 106343, 169157, 223687, 341417, 355813, 543083, 1125769, 1718279, 3614311, 6486923, 10318577, 32647301, 68671909, 104815019, 1991485361]

約数ペア:

[(1, 1991485361), (19, 104815019), (29, 68671909), (61, 32647301), (193, 10318577), (307, 6486923), (551, 3614311), (1159, 1718279), (1769, 1125769), (3667, 543083), (5597, 355813), (5833, 341417), (8903, 223687), (11773, 169157), (18727, 106343), (33611, 59251)]