16980208

素因数分解:

$2^4\times 7^1\times {\mathrm{151609}}^1$

素因数の和:151624

約数の個数: 20

約数和(自身を含む): 37599280

約数和(自身を除く): 20619072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 151609, 303218, 606436, 1061263, 1212872, 2122526, 2425744, 4245052, 8490104, 16980208]

約数ペア:

[(1, 16980208), (2, 8490104), (4, 4245052), (7, 2425744), (8, 2122526), (14, 1212872), (16, 1061263), (28, 606436), (56, 303218), (112, 151609)]