128528204

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{106751}}^1$

素因数の和:106805

約数の個数: 24

約数和(自身を含む): 263036928

約数和(自身を除く): 134508724

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 106751, 213502, 427004, 747257, 1494514, 2989028, 4590293, 9180586, 18361172, 32132051, 64264102, 128528204]

約数ペア:

[(1, 128528204), (2, 64264102), (4, 32132051), (7, 18361172), (14, 9180586), (28, 4590293), (43, 2989028), (86, 1494514), (172, 747257), (301, 427004), (602, 213502), (1204, 106751)]