2143807856

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{327599}}^1$

素因数の和:328016

約数の個数: 20

約数和(自身を含む): 4163796000

約数和(自身を除く): 2019988144

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 327599, 655198, 1310396, 2620792, 5241584, 133987991, 267975982, 535951964, 1071903928, 2143807856]

約数ペア:

[(1, 2143807856), (2, 1071903928), (4, 535951964), (8, 267975982), (16, 133987991), (409, 5241584), (818, 2620792), (1636, 1310396), (3272, 655198), (6544, 327599)]