1947428

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 3928512

約数和(自身を除く): 1981084

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 443, 628, 886, 1099, 1772, 2198, 3101, 4396, 6202, 12404, 69551, 139102, 278204, 486857, 973714, 1947428]

約数ペア:

[(1, 1947428), (2, 973714), (4, 486857), (7, 278204), (14, 139102), (28, 69551), (157, 12404), (314, 6202), (443, 4396), (628, 3101), (886, 2198), (1099, 1772)]