1994406505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4383311}}^1$

素因数の和:4383336

約数の個数: 16

約数和(自身を含む): 2945585664

約数和(自身を除く): 951179159

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 4383311, 21916555, 30683177, 56983043, 153415885, 284915215, 398881301, 1994406505]

約数ペア:

[(1, 1994406505), (5, 398881301), (7, 284915215), (13, 153415885), (35, 56983043), (65, 30683177), (91, 21916555), (455, 4383311)]