726777779

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{677}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 918521856

約数和(自身を除く): 191744077

約数列:

[1, 7, 13, 47, 91, 251, 329, 611, 677, 1757, 3263, 4277, 4739, 8801, 11797, 22841, 31819, 61607, 82579, 153361, 169927, 222733, 413647, 1073527, 1189489, 2209051, 2895529, 7986569, 15463357, 55905983, 103825397, 726777779]

約数ペア:

[(1, 726777779), (7, 103825397), (13, 55905983), (47, 15463357), (91, 7986569), (251, 2895529), (329, 2209051), (611, 1189489), (677, 1073527), (1757, 413647), (3263, 222733), (4277, 169927), (4739, 153361), (8801, 82579), (11797, 61607), (22841, 31819)]