1284157028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:20001

約数の個数: 72

約数和(自身を含む): 2971752000

約数和(自身を除く): 1687594972

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 418, 484, 532, 836, 847, 1463, 1694, 2299, 2926, 3388, 4598, 5852, 9196, 16093, 19949, 32186, 39898, 64372, 79796, 139643, 219439, 279286, 379031, 438878, 558572, 758062, 877756, 1516124, 1536073, 2413829, 2653217, 3072146, 4169341, 4827658, 5306434, 6144292, 8338682, 9655316, 10612868, 16677364, 16896803, 29185387, 33793606, 45862751, 58370774, 67587212, 91725502, 116741548, 183451004, 321039257, 642078514, 1284157028]

約数ペア:

[(1, 1284157028), (2, 642078514), (4, 321039257), (7, 183451004), (11, 116741548), (14, 91725502), (19, 67587212), (22, 58370774), (28, 45862751), (38, 33793606), (44, 29185387), (76, 16896803), (77, 16677364), (121, 10612868), (133, 9655316), (154, 8338682), (209, 6144292), (242, 5306434), (266, 4827658), (308, 4169341), (418, 3072146), (484, 2653217), (532, 2413829), (836, 1536073), (847, 1516124), (1463, 877756), (1694, 758062), (2299, 558572), (2926, 438878), (3388, 379031), (4598, 279286), (5852, 219439), (9196, 139643), (16093, 79796), (19949, 64372), (32186, 39898)]