278716535

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{27073}}^1$

素因数の和:27178

約数の個数: 16

約数和(自身を含む): 350879040

約数和(自身を除く): 72162505

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 27073, 135365, 785117, 1922183, 3925585, 9610915, 55743307, 278716535]

約数ペア:

[(1, 278716535), (5, 55743307), (29, 9610915), (71, 3925585), (145, 1922183), (355, 785117), (2059, 135365), (10295, 27073)]