221815216

素因数分解:

$2^4\times 7^1\times {\mathrm{383}}^1\times {\mathrm{5171}}^1$

素因数の和:5569

約数の個数: 40

約数和(自身を含む): 492539904

約数和(自身を除く): 270724688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 383, 766, 1532, 2681, 3064, 5171, 5362, 6128, 10342, 10724, 20684, 21448, 36197, 41368, 42896, 72394, 82736, 144788, 289576, 579152, 1980493, 3960986, 7921972, 13863451, 15843944, 27726902, 31687888, 55453804, 110907608, 221815216]

約数ペア:

[(1, 221815216), (2, 110907608), (4, 55453804), (7, 31687888), (8, 27726902), (14, 15843944), (16, 13863451), (28, 7921972), (56, 3960986), (112, 1980493), (383, 579152), (766, 289576), (1532, 144788), (2681, 82736), (3064, 72394), (5171, 42896), (5362, 41368), (6128, 36197), (10342, 21448), (10724, 20684)]