1261084321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1609}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 1557964800

約数和(自身を除く): 296880479

約数列:

[1, 7, 19, 71, 83, 133, 497, 581, 1349, 1577, 1609, 5893, 9443, 11039, 11263, 30571, 41251, 111967, 114239, 133547, 213997, 783769, 799673, 934829, 2170541, 2537393, 9481837, 15193787, 17761751, 66372859, 180154903, 1261084321]

約数ペア:

[(1, 1261084321), (7, 180154903), (19, 66372859), (71, 17761751), (83, 15193787), (133, 9481837), (497, 2537393), (581, 2170541), (1349, 934829), (1577, 799673), (1609, 783769), (5893, 213997), (9443, 133547), (11039, 114239), (11263, 111967), (30571, 41251)]