28360787

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 37632000

約数和(自身を除く): 9271213

約数列:

[1, 7, 13, 19, 47, 91, 133, 247, 329, 349, 611, 893, 1729, 2443, 4277, 4537, 6251, 6631, 11609, 16403, 31759, 46417, 81263, 86203, 114821, 213239, 311657, 603421, 1492673, 2181599, 4051541, 28360787]

約数ペア:

[(1, 28360787), (7, 4051541), (13, 2181599), (19, 1492673), (47, 603421), (91, 311657), (133, 213239), (247, 114821), (329, 86203), (349, 81263), (611, 46417), (893, 31759), (1729, 16403), (2443, 11609), (4277, 6631), (4537, 6251)]