1221796408

素因数分解:

$2^3\times 7^1\times {\mathrm{21817793}}^1$

素因数の和:21817806

約数の個数: 16

約数和(自身を含む): 2618135280

約数和(自身を除く): 1396338872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 21817793, 43635586, 87271172, 152724551, 174542344, 305449102, 610898204, 1221796408]

約数ペア:

[(1, 1221796408), (2, 610898204), (4, 305449102), (7, 174542344), (8, 152724551), (14, 87271172), (28, 43635586), (56, 21817793)]