156638671

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{4889}}^1$

素因数の和:5118

約数の個数: 16

約数和(自身を含む): 187776000

約数和(自身を除く): 31137329

約数列:

[1, 7, 23, 161, 199, 1393, 4577, 4889, 32039, 34223, 112447, 787129, 972911, 6810377, 22376953, 156638671]

約数ペア:

[(1, 156638671), (7, 22376953), (23, 6810377), (161, 972911), (199, 787129), (1393, 112447), (4577, 34223), (4889, 32039)]