387631223

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{20071}}^1$

素因数の和:20198

約数の個数: 16

約数和(自身を含む): 462458880

約数和(自身を除く): 74827657

約数列:

[1, 7, 31, 89, 217, 623, 2759, 19313, 20071, 140497, 622201, 1786319, 4355407, 12504233, 55375889, 387631223]

約数ペア:

[(1, 387631223), (7, 55375889), (31, 12504233), (89, 4355407), (217, 1786319), (623, 622201), (2759, 140497), (19313, 20071)]