16604189

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 21143808

約数和(自身を除く): 4539619

約数列:

[1, 7, 17, 31, 49, 119, 217, 527, 643, 833, 1519, 3689, 4501, 10931, 19933, 25823, 31507, 76517, 139531, 338861, 535619, 976717, 2372027, 16604189]

約数ペア:

[(1, 16604189), (7, 2372027), (17, 976717), (31, 535619), (49, 338861), (119, 139531), (217, 76517), (527, 31507), (643, 25823), (833, 19933), (1519, 10931), (3689, 4501)]