68641616

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{16693}}^1$

素因数の和:16958

約数の個数: 20

約数和(自身を含む): 133518612

約数和(自身を除く): 64876996

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 16693, 33386, 66772, 133544, 267088, 4290101, 8580202, 17160404, 34320808, 68641616]

約数ペア:

[(1, 68641616), (2, 34320808), (4, 17160404), (8, 8580202), (16, 4290101), (257, 267088), (514, 133544), (1028, 66772), (2056, 33386), (4112, 16693)]