81775865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1\times {\mathrm{1097}}^1$

素因数の和:1996

約数の個数: 16

約数和(自身を含む): 104116752

約数和(自身を除く): 22340887

約数列:

[1, 5, 17, 85, 877, 1097, 4385, 5485, 14909, 18649, 74545, 93245, 962069, 4810345, 16355173, 81775865]

約数ペア:

[(1, 81775865), (5, 16355173), (17, 4810345), (85, 962069), (877, 93245), (1097, 74545), (4385, 18649), (5485, 14909)]