81260858

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{187237}}^1$

素因数の和:187277

約数の個数: 16

約数和(自身を含む): 143798784

約数和(自身を除く): 62537926

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 187237, 374474, 1310659, 2621318, 5804347, 11608694, 40630429, 81260858]

約数ペア:

[(1, 81260858), (2, 40630429), (7, 11608694), (14, 5804347), (31, 2621318), (62, 1310659), (217, 374474), (434, 187237)]