64780744

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9721}}^1$

素因数の和:9758

約数の個数: 48

約数和(自身を含む): 149621580

約数和(自身を除く): 84840836

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3332, 6664, 9721, 19442, 38884, 68047, 77768, 136094, 165257, 272188, 330514, 476329, 544376, 661028, 952658, 1156799, 1322056, 1905316, 2313598, 3810632, 4627196, 8097593, 9254392, 16195186, 32390372, 64780744]

約数ペア:

[(1, 64780744), (2, 32390372), (4, 16195186), (7, 9254392), (8, 8097593), (14, 4627196), (17, 3810632), (28, 2313598), (34, 1905316), (49, 1322056), (56, 1156799), (68, 952658), (98, 661028), (119, 544376), (136, 476329), (196, 330514), (238, 272188), (392, 165257), (476, 136094), (833, 77768), (952, 68047), (1666, 38884), (3332, 19442), (6664, 9721)]