28120846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20407}}^1$

素因数の和:20475

約数の個数: 16

約数和(自身を含む): 46285344

約数和(自身を除く): 18164498

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20407, 40814, 265291, 530582, 1081571, 2163142, 14060423, 28120846]

約数ペア:

[(1, 28120846), (2, 14060423), (13, 2163142), (26, 1081571), (53, 530582), (106, 265291), (689, 40814), (1378, 20407)]