80243874

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{19991}}^1$

素因数の和:20222

約数の個数: 24

約数和(自身を含む): 174650112

約数和(自身を除く): 94406238

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 19991, 39982, 59973, 119946, 179919, 359838, 4457993, 8915986, 13373979, 26747958, 40121937, 80243874]

約数ペア:

[(1, 80243874), (2, 40121937), (3, 26747958), (6, 13373979), (9, 8915986), (18, 4457993), (223, 359838), (446, 179919), (669, 119946), (1338, 59973), (2007, 39982), (4014, 19991)]