223720336

素因数分解:

$2^4\times 7^1\times {\mathrm{1997503}}^1$

素因数の和:1997518

約数の個数: 20

約数和(自身を含む): 495380992

約数和(自身を除く): 271660656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1997503, 3995006, 7990012, 13982521, 15980024, 27965042, 31960048, 55930084, 111860168, 223720336]

約数ペア:

[(1, 223720336), (2, 111860168), (4, 55930084), (7, 31960048), (8, 27965042), (14, 15980024), (16, 13982521), (28, 7990012), (56, 3995006), (112, 1997503)]