206520470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{7529}}^1$

素因数の和:7760

約数の個数: 32

約数和(自身を含む): 402282720

約数和(自身を除く): 195762250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 2110, 2743, 5486, 7529, 13715, 15058, 27430, 37645, 75290, 97877, 195754, 489385, 978770, 1588619, 3177238, 7943095, 15886190, 20652047, 41304094, 103260235, 206520470]

約数ペア:

[(1, 206520470), (2, 103260235), (5, 41304094), (10, 20652047), (13, 15886190), (26, 7943095), (65, 3177238), (130, 1588619), (211, 978770), (422, 489385), (1055, 195754), (2110, 97877), (2743, 75290), (5486, 37645), (7529, 27430), (13715, 15058)]