388959655

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{811}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 544416768

約数和(自身を除く): 155457113

約数列:

[1, 5, 7, 35, 71, 193, 355, 497, 811, 965, 1351, 2485, 4055, 5677, 6755, 13703, 28385, 57581, 68515, 95921, 156523, 287905, 403067, 479605, 782615, 1095661, 2015335, 5478305, 11113133, 55565665, 77791931, 388959655]

約数ペア:

[(1, 388959655), (5, 77791931), (7, 55565665), (35, 11113133), (71, 5478305), (193, 2015335), (355, 1095661), (497, 782615), (811, 479605), (965, 403067), (1351, 287905), (2485, 156523), (4055, 95921), (5677, 68515), (6755, 57581), (13703, 28385)]