265234864

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{40531}}^1$

素因数の和:40948

約数の個数: 20

約数和(自身を含む): 515161720

約数和(自身を除く): 249926856

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 40531, 81062, 162124, 324248, 648496, 16577179, 33154358, 66308716, 132617432, 265234864]

約数ペア:

[(1, 265234864), (2, 132617432), (4, 66308716), (8, 33154358), (16, 16577179), (409, 648496), (818, 324248), (1636, 162124), (3272, 81062), (6544, 40531)]