2012803779

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 3298959360

約数和(自身を除く): 1286155581

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 227, 313, 399, 497, 681, 939, 1349, 1491, 1589, 2191, 4047, 4313, 4767, 5947, 6573, 9443, 12939, 16117, 17841, 22223, 28329, 30191, 41629, 48351, 66669, 71051, 90573, 112819, 124887, 155561, 213153, 306223, 338457, 422237, 466683, 497357, 918669, 1266711, 1349969, 1492071, 2143561, 2955659, 4049907, 5044621, 6430683, 8866977, 9449783, 15133863, 28349349, 35312347, 95847799, 105937041, 287543397, 670934593, 2012803779]

約数ペア:

[(1, 2012803779), (3, 670934593), (7, 287543397), (19, 105937041), (21, 95847799), (57, 35312347), (71, 28349349), (133, 15133863), (213, 9449783), (227, 8866977), (313, 6430683), (399, 5044621), (497, 4049907), (681, 2955659), (939, 2143561), (1349, 1492071), (1491, 1349969), (1589, 1266711), (2191, 918669), (4047, 497357), (4313, 466683), (4767, 422237), (5947, 338457), (6573, 306223), (9443, 213153), (12939, 155561), (16117, 124887), (17841, 112819), (22223, 90573), (28329, 71051), (30191, 66669), (41629, 48351)]