207745928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1997557}}^1$

素因数の和:1997576

約数の個数: 16

約数和(自身を含む): 419487180

約数和(自身を除く): 211741252

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1997557, 3995114, 7990228, 15980456, 25968241, 51936482, 103872964, 207745928]

約数ペア:

[(1, 207745928), (2, 103872964), (4, 51936482), (8, 25968241), (13, 15980456), (26, 7990228), (52, 3995114), (104, 1997557)]