137967856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21397}}^1$

素因数の和:21449

約数の個数: 40

約数和(自身を含む): 297175424

約数和(自身を除く): 159207568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 21397, 42794, 85588, 171176, 278161, 342352, 556322, 663307, 1112644, 1326614, 2225288, 2653228, 4450576, 5306456, 8622991, 10612912, 17245982, 34491964, 68983928, 137967856]

約数ペア:

[(1, 137967856), (2, 68983928), (4, 34491964), (8, 17245982), (13, 10612912), (16, 8622991), (26, 5306456), (31, 4450576), (52, 2653228), (62, 2225288), (104, 1326614), (124, 1112644), (208, 663307), (248, 556322), (403, 342352), (496, 278161), (806, 171176), (1612, 85588), (3224, 42794), (6448, 21397)]