81218501

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4931}}^1$

素因数の和:5132

約数の個数: 16

約数和(自身を含む): 100533888

約数和(自身を除く): 19315387

約数列:

[1, 7, 13, 91, 181, 1267, 2353, 4931, 16471, 34517, 64103, 448721, 892511, 6247577, 11602643, 81218501]

約数ペア:

[(1, 81218501), (7, 11602643), (13, 6247577), (91, 892511), (181, 448721), (1267, 64103), (2353, 34517), (4931, 16471)]