2012742295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{161731}}^1$

素因数の和:161886

約数の個数: 16

約数和(自身を含む): 2561834880

約数和(自身を除く): 549092585

約数列:

[1, 5, 19, 95, 131, 655, 2489, 12445, 161731, 808655, 3072889, 15364445, 21186761, 105933805, 402548459, 2012742295]

約数ペア:

[(1, 2012742295), (5, 402548459), (19, 105933805), (95, 21186761), (131, 15364445), (655, 3072889), (2489, 808655), (12445, 161731)]