139220638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{7523}}^1$

素因数の和:8031

約数の個数: 16

約数和(自身を含む): 220302720

約数和(自身を除く): 81082082

約数列:

[1, 2, 19, 38, 487, 974, 7523, 9253, 15046, 18506, 142937, 285874, 3663701, 7327402, 69610319, 139220638]

約数ペア:

[(1, 139220638), (2, 69610319), (19, 7327402), (38, 3663701), (487, 285874), (974, 142937), (7523, 18506), (9253, 15046)]