28646965

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1997}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 36443520

約数和(自身を除く): 7796555

約数列:

[1, 5, 19, 95, 151, 755, 1997, 2869, 9985, 14345, 37943, 189715, 301547, 1507735, 5729393, 28646965]

約数ペア:

[(1, 28646965), (5, 5729393), (19, 1507735), (95, 301547), (151, 189715), (755, 37943), (1997, 14345), (2869, 9985)]