899721212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2341}}^1$

素因数の和:2766

約数の個数: 48

約数和(自身を含む): 1790224800

約数和(自身を除く): 890503588

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 389, 494, 778, 988, 1556, 2341, 4682, 5057, 7391, 9364, 10114, 14782, 20228, 29564, 30433, 44479, 60866, 88958, 96083, 121732, 177916, 192166, 384332, 578227, 910649, 1156454, 1821298, 2312908, 3642596, 11838437, 17302331, 23676874, 34604662, 47353748, 69209324, 224930303, 449860606, 899721212]

約数ペア:

[(1, 899721212), (2, 449860606), (4, 224930303), (13, 69209324), (19, 47353748), (26, 34604662), (38, 23676874), (52, 17302331), (76, 11838437), (247, 3642596), (389, 2312908), (494, 1821298), (778, 1156454), (988, 910649), (1556, 578227), (2341, 384332), (4682, 192166), (5057, 177916), (7391, 121732), (9364, 96083), (10114, 88958), (14782, 60866), (20228, 44479), (29564, 30433)]