421648336

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{260921}}^1$

素因数の和:261030

約数の個数: 20

約数和(自身を含む): 825035364

約数和(自身を除く): 403387028

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 260921, 521842, 1043684, 2087368, 4174736, 26353021, 52706042, 105412084, 210824168, 421648336]

約数ペア:

[(1, 421648336), (2, 210824168), (4, 105412084), (8, 52706042), (16, 26353021), (101, 4174736), (202, 2087368), (404, 1043684), (808, 521842), (1616, 260921)]