78778518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1101

約数の個数: 64

約数和(自身を含む): 195363840

約数和(自身を除く): 116585322

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 157, 182, 273, 314, 471, 546, 919, 942, 1099, 1838, 2041, 2198, 2757, 3297, 4082, 5514, 6123, 6433, 6594, 11947, 12246, 12866, 14287, 19299, 23894, 28574, 35841, 38598, 42861, 71682, 83629, 85722, 144283, 167258, 250887, 288566, 432849, 501774, 865698, 1009981, 1875679, 2019962, 3029943, 3751358, 5627037, 6059886, 11254074, 13129753, 26259506, 39389259, 78778518]

約数ペア:

[(1, 78778518), (2, 39389259), (3, 26259506), (6, 13129753), (7, 11254074), (13, 6059886), (14, 5627037), (21, 3751358), (26, 3029943), (39, 2019962), (42, 1875679), (78, 1009981), (91, 865698), (157, 501774), (182, 432849), (273, 288566), (314, 250887), (471, 167258), (546, 144283), (919, 85722), (942, 83629), (1099, 71682), (1838, 42861), (2041, 38598), (2198, 35841), (2757, 28574), (3297, 23894), (4082, 19299), (5514, 14287), (6123, 12866), (6433, 12246), (6594, 11947)]