131221952

素因数分解:

$2^6\times {\mathrm{647}}^1\times {\mathrm{3169}}^1$

素因数の和:3828

約数の個数: 28

約数和(自身を含む): 260878320

約数和(自身を除く): 129656368

約数列:

[1, 2, 4, 8, 16, 32, 64, 647, 1294, 2588, 3169, 5176, 6338, 10352, 12676, 20704, 25352, 41408, 50704, 101408, 202816, 2050343, 4100686, 8201372, 16402744, 32805488, 65610976, 131221952]

約数ペア:

[(1, 131221952), (2, 65610976), (4, 32805488), (8, 16402744), (16, 8201372), (32, 4100686), (64, 2050343), (647, 202816), (1294, 101408), (2588, 50704), (3169, 41408), (5176, 25352), (6338, 20704), (10352, 12676)]