890451338

素因数分解:

$2^1\times 7^1\times {\mathrm{15889}}^1\times {\mathrm{4003}}^1$

素因数の和:19901

約数の個数: 16

約数和(自身を含む): 1526965440

約数和(自身を除く): 636514102

約数列:

[1, 2, 7, 14, 4003, 8006, 15889, 28021, 31778, 56042, 111223, 222446, 63603667, 127207334, 445225669, 890451338]

約数ペア:

[(1, 890451338), (2, 445225669), (7, 127207334), (14, 63603667), (4003, 222446), (8006, 111223), (15889, 56042), (28021, 31778)]