81329216

素因数分解:

$2^6\times {\mathrm{401}}^1\times {\mathrm{3169}}^1$

素因数の和:3582

約数の個数: 28

約数和(自身を含む): 161841180

約数和(自身を除く): 80511964

約数列:

[1, 2, 4, 8, 16, 32, 64, 401, 802, 1604, 3169, 3208, 6338, 6416, 12676, 12832, 25352, 25664, 50704, 101408, 202816, 1270769, 2541538, 5083076, 10166152, 20332304, 40664608, 81329216]

約数ペア:

[(1, 81329216), (2, 40664608), (4, 20332304), (8, 10166152), (16, 5083076), (32, 2541538), (64, 1270769), (401, 202816), (802, 101408), (1604, 50704), (3169, 25664), (3208, 25352), (6338, 12832), (6416, 12676)]