161491402

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1\times {\mathrm{4021}}^1$

素因数の和:4533

約数の個数: 16

約数和(自身を含む): 248463072

約数和(自身を除く): 86971670

約数列:

[1, 2, 43, 86, 467, 934, 4021, 8042, 20081, 40162, 172903, 345806, 1877807, 3755614, 80745701, 161491402]

約数ペア:

[(1, 161491402), (2, 80745701), (43, 3755614), (86, 1877807), (467, 345806), (934, 172903), (4021, 40162), (8042, 20081)]