28942576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{401}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 60714864

約数和(自身を除く): 31772288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 347, 401, 694, 802, 1388, 1604, 2776, 3208, 4511, 5213, 5552, 6416, 9022, 10426, 18044, 20852, 36088, 41704, 72176, 83408, 139147, 278294, 556588, 1113176, 1808911, 2226352, 3617822, 7235644, 14471288, 28942576]

約数ペア:

[(1, 28942576), (2, 14471288), (4, 7235644), (8, 3617822), (13, 2226352), (16, 1808911), (26, 1113176), (52, 556588), (104, 278294), (208, 139147), (347, 83408), (401, 72176), (694, 41704), (802, 36088), (1388, 20852), (1604, 18044), (2776, 10426), (3208, 9022), (4511, 6416), (5213, 5552)]