661790368

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1088471}}^1$

素因数の和:1088500

約数の個数: 24

約数和(自身を含む): 1371474720

約数和(自身を除く): 709684352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1088471, 2176942, 4353884, 8707768, 17415536, 20680949, 34831072, 41361898, 82723796, 165447592, 330895184, 661790368]

約数ペア:

[(1, 661790368), (2, 330895184), (4, 165447592), (8, 82723796), (16, 41361898), (19, 34831072), (32, 20680949), (38, 17415536), (76, 8707768), (152, 4353884), (304, 2176942), (608, 1088471)]