390147404038

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{255666713}}^1$

素因数の和:255666831

約数の個数: 16

約数和(自身を含む): 674960124960

約数和(自身を除く): 284812720922

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 255666713, 511333426, 1789666991, 3579333982, 27867671717, 55735343434, 195073702019, 390147404038]

約数ペア:

[(1, 390147404038), (2, 195073702019), (7, 55735343434), (14, 27867671717), (109, 3579333982), (218, 1789666991), (763, 511333426), (1526, 255666713)]