78393885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 140673024

約数和(自身を除く): 62279139

約数列:

[1, 3, 5, 15, 17, 31, 47, 51, 85, 93, 141, 155, 211, 235, 255, 465, 527, 633, 705, 799, 1055, 1457, 1581, 2397, 2635, 3165, 3587, 3995, 4371, 6541, 7285, 7905, 9917, 10761, 11985, 17935, 19623, 21855, 24769, 29751, 32705, 49585, 53805, 74307, 98115, 111197, 123845, 148755, 168589, 307427, 333591, 371535, 505767, 555985, 842945, 922281, 1537135, 1667955, 2528835, 4611405, 5226259, 15678777, 26131295, 78393885]

約数ペア:

[(1, 78393885), (3, 26131295), (5, 15678777), (15, 5226259), (17, 4611405), (31, 2528835), (47, 1667955), (51, 1537135), (85, 922281), (93, 842945), (141, 555985), (155, 505767), (211, 371535), (235, 333591), (255, 307427), (465, 168589), (527, 148755), (633, 123845), (705, 111197), (799, 98115), (1055, 74307), (1457, 53805), (1581, 49585), (2397, 32705), (2635, 29751), (3165, 24769), (3587, 21855), (3995, 19623), (4371, 17935), (6541, 11985), (7285, 10761), (7905, 9917)]