187963909

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{2887}}^1$

素因数の和:3096

約数の個数: 16

約数和(自身を含む): 219580416

約数和(自身を除く): 31616507

約数列:

[1, 7, 71, 131, 497, 917, 2887, 9301, 20209, 65107, 204977, 378197, 1434839, 2647379, 26851987, 187963909]

約数ペア:

[(1, 187963909), (7, 26851987), (71, 2647379), (131, 1434839), (497, 378197), (917, 204977), (2887, 65107), (9301, 20209)]