219220778

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{505117}}^1$

素因数の和:505157

約数の個数: 16

約数和(自身を含む): 387930624

約数和(自身を除く): 168709846

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 505117, 1010234, 3535819, 7071638, 15658627, 31317254, 109610389, 219220778]

約数ペア:

[(1, 219220778), (2, 109610389), (7, 31317254), (14, 15658627), (31, 7071638), (62, 3535819), (217, 1010234), (434, 505117)]