220939201

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1307}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 281272320

約数和(自身を除く): 60333119

約数列:

[1, 7, 19, 31, 41, 133, 217, 287, 589, 779, 1271, 1307, 4123, 5453, 8897, 9149, 24149, 24833, 40517, 53587, 169043, 173831, 283619, 375109, 769823, 1018153, 1661197, 5388761, 7127071, 11628379, 31562743, 220939201]

約数ペア:

[(1, 220939201), (7, 31562743), (19, 11628379), (31, 7127071), (41, 5388761), (133, 1661197), (217, 1018153), (287, 769823), (589, 375109), (779, 283619), (1271, 173831), (1307, 169043), (4123, 53587), (5453, 40517), (8897, 24833), (9149, 24149)]