1288894595

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{117119}}^1$

素因数の和:117226

約数の個数: 16

約数和(自身を含む): 1619066880

約数和(自身を除く): 330172285

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 117119, 585595, 3630689, 8315449, 18153445, 41577245, 257778919, 1288894595]

約数ペア:

[(1, 1288894595), (5, 257778919), (31, 41577245), (71, 18153445), (155, 8315449), (355, 3630689), (2201, 585595), (11005, 117119)]