198557387

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1\times {\mathrm{1483}}^1$

素因数の和:2138

約数の個数: 16

約数和(自身を含む): 234780672

約数和(自身を除く): 36223285

約数列:

[1, 7, 31, 217, 617, 1483, 4319, 10381, 19127, 45973, 133889, 321811, 915011, 6405077, 28365341, 198557387]

約数ペア:

[(1, 198557387), (7, 28365341), (31, 6405077), (217, 915011), (617, 321811), (1483, 133889), (4319, 45973), (10381, 19127)]