221489403968

素因数分解:

$2^6\times 7^1\times {\mathrm{494395991}}^1$

素因数の和:494396010

約数の個数: 28

約数和(自身を含む): 502306327872

約数和(自身を除く): 280816923904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 494395991, 988791982, 1977583964, 3460771937, 3955167928, 6921543874, 7910335856, 13843087748, 15820671712, 27686175496, 31641343424, 55372350992, 110744701984, 221489403968]

約数ペア:

[(1, 221489403968), (2, 110744701984), (4, 55372350992), (7, 31641343424), (8, 27686175496), (14, 15820671712), (16, 13843087748), (28, 7910335856), (32, 6921543874), (56, 3955167928), (64, 3460771937), (112, 1977583964), (224, 988791982), (448, 494395991)]