209771012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{31573}}^1$

素因数の和:31739

約数の個数: 24

約数和(自身を含む): 403136832

約数和(自身を除く): 193365820

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3322, 6644, 31573, 63146, 126292, 347303, 694606, 1389212, 4767523, 9535046, 19070092, 52442753, 104885506, 209771012]

約数ペア:

[(1, 209771012), (2, 104885506), (4, 52442753), (11, 19070092), (22, 9535046), (44, 4767523), (151, 1389212), (302, 694606), (604, 347303), (1661, 126292), (3322, 63146), (6644, 31573)]