77977277

素因数分解:

$7^4\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:766

約数の個数: 20

約数和(自身を含む): 93038016

約数和(自身を除く): 15060739

約数列:

[1, 7, 47, 49, 329, 343, 691, 2303, 2401, 4837, 16121, 32477, 33859, 112847, 227339, 237013, 1591373, 1659091, 11139611, 77977277]

約数ペア:

[(1, 77977277), (7, 11139611), (47, 1659091), (49, 1591373), (329, 237013), (343, 227339), (691, 112847), (2303, 33859), (2401, 32477), (4837, 16121)]