87117355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 117089280

約数和(自身を除く): 29971925

約数列:

[1, 5, 13, 43, 65, 71, 215, 355, 439, 559, 923, 2195, 2795, 3053, 4615, 5707, 15265, 18877, 28535, 31169, 39689, 94385, 155845, 198445, 245401, 405197, 1227005, 1340267, 2025985, 6701335, 17423471, 87117355]

約数ペア:

[(1, 87117355), (5, 17423471), (13, 6701335), (43, 2025985), (65, 1340267), (71, 1227005), (215, 405197), (355, 245401), (439, 198445), (559, 155845), (923, 94385), (2195, 39689), (2795, 31169), (3053, 28535), (4615, 18877), (5707, 15265)]