491478246

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1973}}^1$

素因数の和:2650

約数の個数: 64

約数和(自身を含む): 1250726400

約数和(自身を除く): 759248154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 659, 1318, 1973, 1977, 3946, 3954, 4613, 5919, 5931, 9226, 11838, 11862, 13811, 13839, 17757, 17793, 27622, 27678, 35514, 35586, 41433, 41517, 53271, 82866, 83034, 106542, 124299, 124551, 248598, 249102, 372897, 745794, 1300207, 2600414, 3900621, 7801242, 9101449, 11701863, 18202898, 23403726, 27304347, 35105589, 54608694, 70211178, 81913041, 163826082, 245739123, 491478246]

約数ペア:

[(1, 491478246), (2, 245739123), (3, 163826082), (6, 81913041), (7, 70211178), (9, 54608694), (14, 35105589), (18, 27304347), (21, 23403726), (27, 18202898), (42, 11701863), (54, 9101449), (63, 7801242), (126, 3900621), (189, 2600414), (378, 1300207), (659, 745794), (1318, 372897), (1973, 249102), (1977, 248598), (3946, 124551), (3954, 124299), (4613, 106542), (5919, 83034), (5931, 82866), (9226, 53271), (11838, 41517), (11862, 41433), (13811, 35586), (13839, 35514), (17757, 27678), (17793, 27622)]