13900238

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:904

約数の個数: 24

約数和(自身を含む): 23269680

約数和(自身を除く): 9369442

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 809, 1562, 1618, 8591, 8899, 17182, 17798, 57439, 97889, 114878, 195778, 631829, 1263658, 6950119, 13900238]

約数ペア:

[(1, 13900238), (2, 6950119), (11, 1263658), (22, 631829), (71, 195778), (121, 114878), (142, 97889), (242, 57439), (781, 17798), (809, 17182), (1562, 8899), (1618, 8591)]