636681808

素因数分解:

$2^4\times 7^1\times {\mathrm{5684659}}^1$

素因数の和:5684674

約数の個数: 20

約数和(自身を含む): 1409795680

約数和(自身を除く): 773113872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5684659, 11369318, 22738636, 39792613, 45477272, 79585226, 90954544, 159170452, 318340904, 636681808]

約数ペア:

[(1, 636681808), (2, 318340904), (4, 159170452), (7, 90954544), (8, 79585226), (14, 45477272), (16, 39792613), (28, 22738636), (56, 11369318), (112, 5684659)]