2051220178

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6370249}}^1$

素因数の和:6370281

約数の個数: 16

約数和(自身を含む): 3669264000

約数和(自身を除く): 1618043822

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 6370249, 12740498, 44591743, 89183486, 146515727, 293031454, 1025610089, 2051220178]

約数ペア:

[(1, 2051220178), (2, 1025610089), (7, 293031454), (14, 146515727), (23, 89183486), (46, 44591743), (161, 12740498), (322, 6370249)]