12890732144

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{1165949}}^1$

素因数の和:1166648

約数の個数: 20

約数和(自身を含む): 25011959400

約数和(自身を除く): 12121227256

約数列:

[1, 2, 4, 8, 16, 691, 1382, 2764, 5528, 11056, 1165949, 2331898, 4663796, 9327592, 18655184, 805670759, 1611341518, 3222683036, 6445366072, 12890732144]

約数ペア:

[(1, 12890732144), (2, 6445366072), (4, 3222683036), (8, 1611341518), (16, 805670759), (691, 18655184), (1382, 9327592), (2764, 4663796), (5528, 2331898), (11056, 1165949)]