72156623

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 102727680

約数和(自身を除く): 30571057

約数列:

[1, 7, 11, 19, 31, 37, 43, 77, 133, 209, 217, 259, 301, 341, 407, 473, 589, 703, 817, 1147, 1333, 1463, 1591, 2387, 2849, 3311, 4123, 4921, 5719, 6479, 7733, 8029, 8987, 9331, 11137, 12617, 14663, 17501, 21793, 25327, 30229, 45353, 49321, 54131, 62909, 88319, 102641, 122507, 152551, 177289, 211603, 239723, 278597, 332519, 345247, 542531, 937099, 1678061, 1950179, 2327633, 3797717, 6559693, 10308089, 72156623]

約数ペア:

[(1, 72156623), (7, 10308089), (11, 6559693), (19, 3797717), (31, 2327633), (37, 1950179), (43, 1678061), (77, 937099), (133, 542531), (209, 345247), (217, 332519), (259, 278597), (301, 239723), (341, 211603), (407, 177289), (473, 152551), (589, 122507), (703, 102641), (817, 88319), (1147, 62909), (1333, 54131), (1463, 49321), (1591, 45353), (2387, 30229), (2849, 25327), (3311, 21793), (4123, 17501), (4921, 14663), (5719, 12617), (6479, 11137), (7733, 9331), (8029, 8987)]