278996816

素因数分解:

$2^4\times 7^1\times {\mathrm{2491043}}^1$

素因数の和:2491058

約数の個数: 20

約数和(自身を含む): 617778912

約数和(自身を除く): 338782096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2491043, 4982086, 9964172, 17437301, 19928344, 34874602, 39856688, 69749204, 139498408, 278996816]

約数ペア:

[(1, 278996816), (2, 139498408), (4, 69749204), (7, 39856688), (8, 34874602), (14, 19928344), (16, 17437301), (28, 9964172), (56, 4982086), (112, 2491043)]