13778947

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 17517696

約数和(自身を除く): 3738749

約数列:

[1, 7, 13, 49, 91, 97, 223, 637, 679, 1261, 1561, 2899, 4753, 8827, 10927, 20293, 21631, 61789, 142051, 151417, 281203, 1059919, 1968421, 13778947]

約数ペア:

[(1, 13778947), (7, 1968421), (13, 1059919), (49, 281203), (91, 151417), (97, 142051), (223, 61789), (637, 21631), (679, 20293), (1261, 10927), (1561, 8827), (2899, 4753)]