978011909

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{97}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 1246654080

約数和(自身を除く): 268642171

約数列:

[1, 7, 19, 41, 43, 97, 133, 287, 301, 679, 779, 817, 1763, 1843, 1849, 3977, 4171, 5453, 5719, 12341, 12901, 12943, 27839, 29197, 33497, 35131, 75563, 75809, 79249, 171011, 179353, 234479, 245917, 528941, 530663, 554743, 1197077, 1255471, 1440371, 3249209, 3407707, 7353473, 10082597, 22744463, 23853949, 51474311, 139715987, 978011909]

約数ペア:

[(1, 978011909), (7, 139715987), (19, 51474311), (41, 23853949), (43, 22744463), (97, 10082597), (133, 7353473), (287, 3407707), (301, 3249209), (679, 1440371), (779, 1255471), (817, 1197077), (1763, 554743), (1843, 530663), (1849, 528941), (3977, 245917), (4171, 234479), (5453, 179353), (5719, 171011), (12341, 79249), (12901, 75809), (12943, 75563), (27839, 35131), (29197, 33497)]