81513112

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{143509}}^1$

素因数の和:143586

約数の個数: 16

約数和(自身を含む): 154990800

約数和(自身を除く): 73477688

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 143509, 287018, 574036, 1148072, 10189139, 20378278, 40756556, 81513112]

約数ペア:

[(1, 81513112), (2, 40756556), (4, 20378278), (8, 10189139), (71, 1148072), (142, 574036), (284, 287018), (568, 143509)]