1289210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 2564352

約数和(自身を除く): 1275142

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 211, 235, 422, 470, 611, 1055, 1222, 2110, 2743, 3055, 5486, 6110, 9917, 13715, 19834, 27430, 49585, 99170, 128921, 257842, 644605, 1289210]

約数ペア:

[(1, 1289210), (2, 644605), (5, 257842), (10, 128921), (13, 99170), (26, 49585), (47, 27430), (65, 19834), (94, 13715), (130, 9917), (211, 6110), (235, 5486), (422, 3055), (470, 2743), (611, 2110), (1055, 1222)]