668836792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149561}}^1$

素因数の和:149623

約数の個数: 32

約数和(自身を含む): 1381952880

約数和(自身を除く): 713116088

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 149561, 299122, 598244, 1196488, 1944293, 3888586, 6431123, 7777172, 12862246, 15554344, 25724492, 51448984, 83604599, 167209198, 334418396, 668836792]

約数ペア:

[(1, 668836792), (2, 334418396), (4, 167209198), (8, 83604599), (13, 51448984), (26, 25724492), (43, 15554344), (52, 12862246), (86, 7777172), (104, 6431123), (172, 3888586), (344, 1944293), (559, 1196488), (1118, 598244), (2236, 299122), (4472, 149561)]