43220401

素因数分解:

$7^4\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:458

約数の個数: 20

約数和(自身を含む): 51628032

約数和(自身を除く): 8407631

約数列:

[1, 7, 47, 49, 329, 343, 383, 2303, 2401, 2681, 16121, 18001, 18767, 112847, 126007, 131369, 882049, 919583, 6174343, 43220401]

約数ペア:

[(1, 43220401), (7, 6174343), (47, 919583), (49, 882049), (329, 131369), (343, 126007), (383, 112847), (2303, 18767), (2401, 18001), (2681, 16121)]