212426137

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 298598400

約数和(自身を除く): 86172263

約数列:

[1, 7, 11, 19, 23, 59, 77, 107, 133, 161, 209, 253, 413, 437, 649, 749, 1121, 1177, 1357, 1463, 1771, 2033, 2461, 3059, 4543, 4807, 6313, 7847, 8239, 9499, 12331, 14231, 14927, 17227, 22363, 25783, 27071, 33649, 44191, 46759, 69443, 86317, 104489, 119947, 145199, 156541, 180481, 189497, 283613, 327313, 486101, 514349, 839629, 1016393, 1319417, 1597189, 1985291, 2758781, 3600443, 9235919, 11180323, 19311467, 30346591, 212426137]

約数ペア:

[(1, 212426137), (7, 30346591), (11, 19311467), (19, 11180323), (23, 9235919), (59, 3600443), (77, 2758781), (107, 1985291), (133, 1597189), (161, 1319417), (209, 1016393), (253, 839629), (413, 514349), (437, 486101), (649, 327313), (749, 283613), (1121, 189497), (1177, 180481), (1357, 156541), (1463, 145199), (1771, 119947), (2033, 104489), (2461, 86317), (3059, 69443), (4543, 46759), (4807, 44191), (6313, 33649), (7847, 27071), (8239, 25783), (9499, 22363), (12331, 17227), (14231, 14927)]