4991476

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 10100160

約数和(自身を除く): 5108684

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2003, 2492, 4006, 8012, 14021, 28042, 56084, 178267, 356534, 713068, 1247869, 2495738, 4991476]

約数ペア:

[(1, 4991476), (2, 2495738), (4, 1247869), (7, 713068), (14, 356534), (28, 178267), (89, 56084), (178, 28042), (356, 14021), (623, 8012), (1246, 4006), (2003, 2492)]