81550568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2311}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 167296320

約数和(自身を除く): 85745752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 401, 802, 1604, 2311, 3208, 4411, 4622, 8822, 9244, 17644, 18488, 25421, 35288, 50842, 101684, 203368, 926711, 1853422, 3706844, 7413688, 10193821, 20387642, 40775284, 81550568]

約数ペア:

[(1, 81550568), (2, 40775284), (4, 20387642), (8, 10193821), (11, 7413688), (22, 3706844), (44, 1853422), (88, 926711), (401, 203368), (802, 101684), (1604, 50842), (2311, 35288), (3208, 25421), (4411, 18488), (4622, 17644), (8822, 9244)]