199216199

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{70619}}^1$

素因数の和:70670

約数の個数: 16

約数和(自身を含む): 253102080

約数和(自身を除く): 53885881

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 70619, 494333, 918047, 2189189, 6426329, 15324323, 28459457, 199216199]

約数ペア:

[(1, 199216199), (7, 28459457), (13, 15324323), (31, 6426329), (91, 2189189), (217, 918047), (403, 494333), (2821, 70619)]