256932208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1235251}}^1$

素因数の和:1235272

約数の個数: 20

約数和(自身を含む): 536099368

約数和(自身を除く): 279167160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1235251, 2470502, 4941004, 9882008, 16058263, 19764016, 32116526, 64233052, 128466104, 256932208]

約数ペア:

[(1, 256932208), (2, 128466104), (4, 64233052), (8, 32116526), (13, 19764016), (16, 16058263), (26, 9882008), (52, 4941004), (104, 2470502), (208, 1235251)]