81888755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 109105920

約数和(自身を除く): 27217165

約数列:

[1, 5, 13, 59, 65, 131, 163, 295, 655, 767, 815, 1703, 2119, 3835, 7729, 8515, 9617, 10595, 21353, 38645, 48085, 100477, 106765, 125021, 277589, 502385, 625105, 1259827, 1387945, 6299135, 16377751, 81888755]

約数ペア:

[(1, 81888755), (5, 16377751), (13, 6299135), (59, 1387945), (65, 1259827), (131, 625105), (163, 502385), (295, 277589), (655, 125021), (767, 106765), (815, 100477), (1703, 48085), (2119, 38645), (3835, 21353), (7729, 10595), (8515, 9617)]