209230544

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{318949}}^1$

素因数の和:318998

約数の個数: 20

約数和(自身を含む): 415272900

約数和(自身を除く): 206042356

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 318949, 637898, 1275796, 2551592, 5103184, 13076909, 26153818, 52307636, 104615272, 209230544]

約数ペア:

[(1, 209230544), (2, 104615272), (4, 52307636), (8, 26153818), (16, 13076909), (41, 5103184), (82, 2551592), (164, 1275796), (328, 637898), (656, 318949)]