131211528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{781021}}^1$

素因数の和:781037

約数の個数: 32

約数和(自身を含む): 374890560

約数和(自身を除く): 243679032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 781021, 1562042, 2343063, 3124084, 4686126, 5467147, 6248168, 9372252, 10934294, 16401441, 18744504, 21868588, 32802882, 43737176, 65605764, 131211528]

約数ペア:

[(1, 131211528), (2, 65605764), (3, 43737176), (4, 32802882), (6, 21868588), (7, 18744504), (8, 16401441), (12, 10934294), (14, 9372252), (21, 6248168), (24, 5467147), (28, 4686126), (42, 3124084), (56, 2343063), (84, 1562042), (168, 781021)]