264500990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{65633}}^1$

素因数の和:65684

約数の個数: 32

約数和(自身を含む): 529272576

約数和(自身を除く): 264771586

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 65633, 131266, 328165, 656330, 853229, 1706458, 2034623, 4069246, 4266145, 8532290, 10173115, 20346230, 26450099, 52900198, 132250495, 264500990]

約数ペア:

[(1, 264500990), (2, 132250495), (5, 52900198), (10, 26450099), (13, 20346230), (26, 10173115), (31, 8532290), (62, 4266145), (65, 4069246), (130, 2034623), (155, 1706458), (310, 853229), (403, 656330), (806, 328165), (2015, 131266), (4030, 65633)]