257589738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{2044363}}^1$

素因数の和:2044378

約数の個数: 24

約数和(自身を含む): 637841568

約数和(自身を除く): 380251830

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 2044363, 4088726, 6133089, 12266178, 14310541, 18399267, 28621082, 36798534, 42931623, 85863246, 128794869, 257589738]

約数ペア:

[(1, 257589738), (2, 128794869), (3, 85863246), (6, 42931623), (7, 36798534), (9, 28621082), (14, 18399267), (18, 14310541), (21, 12266178), (42, 6133089), (63, 4088726), (126, 2044363)]