2912762251

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{420737}}^1$

素因数の和:420810

約数の個数: 16

約数和(自身を含む): 3554394624

約数和(自身を除く): 641632373

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 420737, 2945159, 9676951, 18091691, 67738657, 126641837, 416108893, 2912762251]

約数ペア:

[(1, 2912762251), (7, 416108893), (23, 126641837), (43, 67738657), (161, 18091691), (301, 9676951), (989, 2945159), (6923, 420737)]