403777424

素因数分解:

$2^4\times {\mathrm{1997}}^1\times {\mathrm{12637}}^1$

素因数の和:14642

約数の個数: 20

約数和(自身を含む): 782772444

約数和(自身を除く): 378995020

約数列:

[1, 2, 4, 8, 16, 1997, 3994, 7988, 12637, 15976, 25274, 31952, 50548, 101096, 202192, 25236089, 50472178, 100944356, 201888712, 403777424]

約数ペア:

[(1, 403777424), (2, 201888712), (4, 100944356), (8, 50472178), (16, 25236089), (1997, 202192), (3994, 101096), (7988, 50548), (12637, 31952), (15976, 25274)]