7777891312

素因数分解:

$2^4\times {\mathrm{1231}}^1\times {\mathrm{394897}}^1$

素因数の和:396136

約数の個数: 20

約数和(自身を含む): 15081944416

約数和(自身を除く): 7304053104

約数列:

[1, 2, 4, 8, 16, 1231, 2462, 4924, 9848, 19696, 394897, 789794, 1579588, 3159176, 6318352, 486118207, 972236414, 1944472828, 3888945656, 7777891312]

約数ペア:

[(1, 7777891312), (2, 3888945656), (4, 1944472828), (8, 972236414), (16, 486118207), (1231, 6318352), (2462, 3159176), (4924, 1579588), (9848, 789794), (19696, 394897)]