138702970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1981471}}^1$

素因数の和:1981485

約数の個数: 16

約数和(自身を含む): 285331968

約数和(自身を除く): 146628998

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1981471, 3962942, 9907355, 13870297, 19814710, 27740594, 69351485, 138702970]

約数ペア:

[(1, 138702970), (2, 69351485), (5, 27740594), (7, 19814710), (10, 13870297), (14, 9907355), (35, 3962942), (70, 1981471)]