221750452

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{1361}}^1$

素因数の和:1429

約数の個数: 72

約数和(自身を含む): 506140992

約数和(自身を除く): 284390540

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 529, 644, 1012, 1058, 1361, 1771, 2116, 2722, 3542, 3703, 5444, 5819, 7084, 7406, 9527, 11638, 14812, 14971, 19054, 23276, 29942, 31303, 38108, 40733, 59884, 62606, 81466, 104797, 125212, 162932, 209594, 219121, 344333, 419188, 438242, 688666, 719969, 876484, 1377332, 1439938, 2410331, 2879876, 4820662, 5039783, 7919659, 9641324, 10079566, 15839318, 20159132, 31678636, 55437613, 110875226, 221750452]

約数ペア:

[(1, 221750452), (2, 110875226), (4, 55437613), (7, 31678636), (11, 20159132), (14, 15839318), (22, 10079566), (23, 9641324), (28, 7919659), (44, 5039783), (46, 4820662), (77, 2879876), (92, 2410331), (154, 1439938), (161, 1377332), (253, 876484), (308, 719969), (322, 688666), (506, 438242), (529, 419188), (644, 344333), (1012, 219121), (1058, 209594), (1361, 162932), (1771, 125212), (2116, 104797), (2722, 81466), (3542, 62606), (3703, 59884), (5444, 40733), (5819, 38108), (7084, 31303), (7406, 29942), (9527, 23276), (11638, 19054), (14812, 14971)]