13681778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1277}}^1$

素因数の和:1777

約数の個数: 16

約数和(自身を含む): 22451904

約数和(自身を除く): 8770126

約数列:

[1, 2, 11, 22, 487, 974, 1277, 2554, 5357, 10714, 14047, 28094, 621899, 1243798, 6840889, 13681778]

約数ペア:

[(1, 13681778), (2, 6840889), (11, 1243798), (22, 621899), (487, 28094), (974, 14047), (1277, 10714), (2554, 5357)]