401888

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:690

約数の個数: 24

約数和(自身を含む): 834120

約数和(自身を除く): 432232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 661, 1322, 2644, 5288, 10576, 12559, 21152, 25118, 50236, 100472, 200944, 401888]

約数ペア:

[(1, 401888), (2, 200944), (4, 100472), (8, 50236), (16, 25118), (19, 21152), (32, 12559), (38, 10576), (76, 5288), (152, 2644), (304, 1322), (608, 661)]