1391381866

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3205949}}^1$

素因数の和:3205989

約数の個数: 16

約数和(自身を含む): 2462169600

約数和(自身を除く): 1070787734

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 3205949, 6411898, 22441643, 44883286, 99384419, 198768838, 695690933, 1391381866]

約数ペア:

[(1, 1391381866), (2, 695690933), (7, 198768838), (14, 99384419), (31, 44883286), (62, 22441643), (217, 6411898), (434, 3205949)]