81320004

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{5417}}^1$

素因数の和:5569

約数の個数: 48

約数和(自身を含む): 212385600

約数和(自身を除く): 131065596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 556, 834, 1251, 1668, 2502, 3753, 5004, 5417, 7506, 10834, 15012, 16251, 21668, 32502, 48753, 65004, 97506, 146259, 195012, 292518, 585036, 752963, 1505926, 2258889, 3011852, 4517778, 6776667, 9035556, 13553334, 20330001, 27106668, 40660002, 81320004]

約数ペア:

[(1, 81320004), (2, 40660002), (3, 27106668), (4, 20330001), (6, 13553334), (9, 9035556), (12, 6776667), (18, 4517778), (27, 3011852), (36, 2258889), (54, 1505926), (108, 752963), (139, 585036), (278, 292518), (417, 195012), (556, 146259), (834, 97506), (1251, 65004), (1668, 48753), (2502, 32502), (3753, 21668), (5004, 16251), (5417, 15012), (7506, 10834)]