138085990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1972657}}^1$

素因数の和:1972671

約数の個数: 16

約数和(自身を含む): 284062752

約数和(自身を除く): 145976762

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1972657, 3945314, 9863285, 13808599, 19726570, 27617198, 69042995, 138085990]

約数ペア:

[(1, 138085990), (2, 69042995), (5, 27617198), (7, 19726570), (10, 13808599), (14, 9863285), (35, 3945314), (70, 1972657)]