85771390

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 157577760

約数和(自身を除く): 71806370

約数列:

[1, 2, 5, 10, 67, 134, 313, 335, 409, 626, 670, 818, 1565, 2045, 3130, 4090, 20971, 27403, 41942, 54806, 104855, 128017, 137015, 209710, 256034, 274030, 640085, 1280170, 8577139, 17154278, 42885695, 85771390]

約数ペア:

[(1, 85771390), (2, 42885695), (5, 17154278), (10, 8577139), (67, 1280170), (134, 640085), (313, 274030), (335, 256034), (409, 209710), (626, 137015), (670, 128017), (818, 104855), (1565, 54806), (2045, 41942), (3130, 27403), (4090, 20971)]