15881882156

素因数分解:

$2^2\times 7^2\times {\mathrm{81030011}}^1$

素因数の和:81030029

約数の個数: 18

約数和(自身を含む): 32330974788

約数和(自身を除く): 16449092632

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 81030011, 162060022, 324120044, 567210077, 1134420154, 2268840308, 3970470539, 7940941078, 15881882156]

約数ペア:

[(1, 15881882156), (2, 7940941078), (4, 3970470539), (7, 2268840308), (14, 1134420154), (28, 567210077), (49, 324120044), (98, 162060022), (196, 81030011)]