689406084

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{137771}}^1$

素因数の和:137920

約数の個数: 36

約数和(自身を含む): 1755215280

約数和(自身を除く): 1065809196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 137771, 275542, 413313, 551084, 826626, 1239939, 1653252, 2479878, 4959756, 19150169, 38300338, 57450507, 76600676, 114901014, 172351521, 229802028, 344703042, 689406084]

約数ペア:

[(1, 689406084), (2, 344703042), (3, 229802028), (4, 172351521), (6, 114901014), (9, 76600676), (12, 57450507), (18, 38300338), (36, 19150169), (139, 4959756), (278, 2479878), (417, 1653252), (556, 1239939), (834, 826626), (1251, 551084), (1668, 413313), (2502, 275542), (5004, 137771)]