642138623

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1\times {\mathrm{1913}}^1$

素因数の和:2606

約数の個数: 16

約数和(自身を含む): 744775680

約数和(自身を除く): 102637057

約数列:

[1, 7, 79, 553, 607, 1913, 4249, 13391, 47953, 151127, 335671, 1057889, 1161191, 8128337, 91734089, 642138623]

約数ペア:

[(1, 642138623), (7, 91734089), (79, 8128337), (553, 1161191), (607, 1057889), (1913, 335671), (4249, 151127), (13391, 47953)]