68929399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 90243072

約数和(自身を除く): 21313673

約数列:

[1, 7, 11, 31, 67, 77, 217, 341, 431, 469, 737, 2077, 2387, 3017, 4741, 5159, 13361, 14539, 22847, 28877, 33187, 93527, 146971, 159929, 202139, 317647, 895187, 1028797, 2223529, 6266309, 9847057, 68929399]

約数ペア:

[(1, 68929399), (7, 9847057), (11, 6266309), (31, 2223529), (67, 1028797), (77, 895187), (217, 317647), (341, 202139), (431, 159929), (469, 146971), (737, 93527), (2077, 33187), (2387, 28877), (3017, 22847), (4741, 14539), (5159, 13361)]