999220574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{145109}}^1$

素因数の和:145435

約数の個数: 16

約数和(自身を含む): 1640323440

約数和(自身を除く): 641102866

約数列:

[1, 2, 11, 22, 313, 626, 3443, 6886, 145109, 290218, 1596199, 3192398, 45419117, 90838234, 499610287, 999220574]

約数ペア:

[(1, 999220574), (2, 499610287), (11, 90838234), (22, 45419117), (313, 3192398), (626, 1596199), (3443, 290218), (6886, 145109)]