1640164

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 3002328

約数和(自身を除く): 1362164

約数列:

[1, 2, 4, 41, 73, 82, 137, 146, 164, 274, 292, 548, 2993, 5617, 5986, 10001, 11234, 11972, 20002, 22468, 40004, 410041, 820082, 1640164]

約数ペア:

[(1, 1640164), (2, 820082), (4, 410041), (41, 40004), (73, 22468), (82, 20002), (137, 11972), (146, 11234), (164, 10001), (274, 5986), (292, 5617), (548, 2993)]