81139328

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{15461}}^1$

素因数の和:15516

約数の個数: 32

約数和(自身を含む): 165598020

約数和(自身を除く): 84458692

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 5248, 15461, 30922, 61844, 123688, 247376, 494752, 633901, 989504, 1267802, 1979008, 2535604, 5071208, 10142416, 20284832, 40569664, 81139328]

約数ペア:

[(1, 81139328), (2, 40569664), (4, 20284832), (8, 10142416), (16, 5071208), (32, 2535604), (41, 1979008), (64, 1267802), (82, 989504), (128, 633901), (164, 494752), (328, 247376), (656, 123688), (1312, 61844), (2624, 30922), (5248, 15461)]