133189264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{640333}}^1$

素因数の和:640354

約数の個数: 20

約数和(自身を含む): 277904956

約数和(自身を除く): 144715692

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 640333, 1280666, 2561332, 5122664, 8324329, 10245328, 16648658, 33297316, 66594632, 133189264]

約数ペア:

[(1, 133189264), (2, 66594632), (4, 33297316), (8, 16648658), (13, 10245328), (16, 8324329), (26, 5122664), (52, 2561332), (104, 1280666), (208, 640333)]