199906742

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2389}}^1$

素因数の和:2580

約数の個数: 32

約数和(自身を含む): 353337600

約数和(自身を除く): 153430858

約数列:

[1, 2, 7, 14, 43, 86, 139, 278, 301, 602, 973, 1946, 2389, 4778, 5977, 11954, 16723, 33446, 41839, 83678, 102727, 205454, 332071, 664142, 719089, 1438178, 2324497, 4648994, 14279053, 28558106, 99953371, 199906742]

約数ペア:

[(1, 199906742), (2, 99953371), (7, 28558106), (14, 14279053), (43, 4648994), (86, 2324497), (139, 1438178), (278, 719089), (301, 664142), (602, 332071), (973, 205454), (1946, 102727), (2389, 83678), (4778, 41839), (5977, 33446), (11954, 16723)]