1643056

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1108

約数の個数: 20

約数和(自身を含む): 3217552

約数和(自身を除く): 1574496

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 997, 1648, 1994, 3988, 7976, 15952, 102691, 205382, 410764, 821528, 1643056]

約数ペア:

[(1, 1643056), (2, 821528), (4, 410764), (8, 205382), (16, 102691), (103, 15952), (206, 7976), (412, 3988), (824, 1994), (997, 1648)]