199681468

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{11447}}^1$

素因数の和:11554

約数の個数: 36

約数和(自身を含む): 411097680

約数和(自身を除く): 211416212

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1246, 2492, 4361, 8722, 11447, 17444, 22894, 45788, 80129, 160258, 320516, 560903, 1018783, 1121806, 2037566, 2243612, 4075132, 7131481, 14262962, 28525924, 49920367, 99840734, 199681468]

約数ペア:

[(1, 199681468), (2, 99840734), (4, 49920367), (7, 28525924), (14, 14262962), (28, 7131481), (49, 4075132), (89, 2243612), (98, 2037566), (178, 1121806), (196, 1018783), (356, 560903), (623, 320516), (1246, 160258), (2492, 80129), (4361, 45788), (8722, 22894), (11447, 17444)]