198435412

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{42437}}^1$

素因数の和:42615

約数の個数: 24

約数和(自身を含む): 399256704

約数和(自身を除く): 200821292

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4676, 42437, 84874, 169748, 297059, 594118, 1188236, 7086979, 14173958, 28347916, 49608853, 99217706, 198435412]

約数ペア:

[(1, 198435412), (2, 99217706), (4, 49608853), (7, 28347916), (14, 14173958), (28, 7086979), (167, 1188236), (334, 594118), (668, 297059), (1169, 169748), (2338, 84874), (4676, 42437)]