208942418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 333645312

約数和(自身を除く): 124702894

約数列:

[1, 2, 31, 43, 62, 86, 181, 362, 433, 866, 1333, 2666, 5611, 7783, 11222, 13423, 15566, 18619, 26846, 37238, 78373, 156746, 241273, 482546, 577189, 1154378, 2429563, 3370039, 4859126, 6740078, 104471209, 208942418]

約数ペア:

[(1, 208942418), (2, 104471209), (31, 6740078), (43, 4859126), (62, 3370039), (86, 2429563), (181, 1154378), (362, 577189), (433, 482546), (866, 241273), (1333, 156746), (2666, 78373), (5611, 37238), (7783, 26846), (11222, 18619), (13423, 15566)]