263670290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{2207}}^1$

素因数の和:3146

約数の個数: 32

約数和(自身を含む): 511902720

約数和(自身を除く): 248232430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 919, 1838, 2207, 4414, 4595, 9190, 11035, 11947, 22070, 23894, 28691, 57382, 59735, 119470, 143455, 286910, 2028233, 4056466, 10141165, 20282330, 26367029, 52734058, 131835145, 263670290]

約数ペア:

[(1, 263670290), (2, 131835145), (5, 52734058), (10, 26367029), (13, 20282330), (26, 10141165), (65, 4056466), (130, 2028233), (919, 286910), (1838, 143455), (2207, 119470), (4414, 59735), (4595, 57382), (9190, 28691), (11035, 23894), (11947, 22070)]