261990648

素因数分解:

$2^3\times 3^2\times {\mathrm{3638759}}^1$

素因数の和:3638771

約数の個数: 24

約数和(自身を含む): 709558200

約数和(自身を除く): 447567552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 3638759, 7277518, 10916277, 14555036, 21832554, 29110072, 32748831, 43665108, 65497662, 87330216, 130995324, 261990648]

約数ペア:

[(1, 261990648), (2, 130995324), (3, 87330216), (4, 65497662), (6, 43665108), (8, 32748831), (9, 29110072), (12, 21832554), (18, 14555036), (24, 10916277), (36, 7277518), (72, 3638759)]