207984049

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{7349}}^1$

素因数の和:7680

約数の個数: 16

約数和(自身を含む): 256838400

約数和(自身を除く): 48854351

約数列:

[1, 7, 13, 91, 311, 2177, 4043, 7349, 28301, 51443, 95537, 668759, 2285539, 15998773, 29712007, 207984049]

約数ペア:

[(1, 207984049), (7, 29712007), (13, 15998773), (91, 2285539), (311, 668759), (2177, 95537), (4043, 51443), (7349, 28301)]