81328468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{11939}}^1$

素因数の和:12087

約数の個数: 24

約数和(自身を含む): 154455840

約数和(自身を除く): 73127372

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3406, 6812, 11939, 23878, 47756, 155207, 310414, 620828, 1564009, 3128018, 6256036, 20332117, 40664234, 81328468]

約数ペア:

[(1, 81328468), (2, 40664234), (4, 20332117), (13, 6256036), (26, 3128018), (52, 1564009), (131, 620828), (262, 310414), (524, 155207), (1703, 47756), (3406, 23878), (6812, 11939)]