25640811

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 45489600

約数和(自身を除く): 19848789

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 89, 119, 153, 267, 269, 357, 623, 801, 807, 1071, 1513, 1869, 1883, 2421, 4539, 4573, 5607, 5649, 10591, 13617, 13719, 16947, 23941, 31773, 32011, 41157, 71823, 95319, 96033, 167587, 215469, 288099, 406997, 502761, 1220991, 1508283, 2848979, 3662973, 8546937, 25640811]

約数ペア:

[(1, 25640811), (3, 8546937), (7, 3662973), (9, 2848979), (17, 1508283), (21, 1220991), (51, 502761), (63, 406997), (89, 288099), (119, 215469), (153, 167587), (267, 96033), (269, 95319), (357, 71823), (623, 41157), (801, 32011), (807, 31773), (1071, 23941), (1513, 16947), (1869, 13719), (1883, 13617), (2421, 10591), (4539, 5649), (4573, 5607)]