163945168

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{40823}}^1$

素因数の和:41082

約数の個数: 20

約数和(自身を含む): 318917088

約数和(自身を除く): 154971920

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 40823, 81646, 163292, 326584, 653168, 10246573, 20493146, 40986292, 81972584, 163945168]

約数ペア:

[(1, 163945168), (2, 81972584), (4, 40986292), (8, 20493146), (16, 10246573), (251, 653168), (502, 326584), (1004, 163292), (2008, 81646), (4016, 40823)]