123689566

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2057

約数の個数: 64

約数和(自身を含む): 257273856

約数和(自身を除く): 133584290

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 62, 77, 91, 143, 154, 182, 217, 286, 341, 403, 434, 682, 806, 1001, 1993, 2002, 2387, 2821, 3986, 4433, 4774, 5642, 8866, 13951, 21923, 25909, 27902, 31031, 43846, 51818, 61783, 62062, 123566, 153461, 181363, 284999, 306922, 362726, 432481, 569998, 679613, 803179, 864962, 1359226, 1606358, 1994993, 3989986, 4757291, 5622253, 8834969, 9514582, 11244506, 17669938, 61844783, 123689566]

約数ペア:

[(1, 123689566), (2, 61844783), (7, 17669938), (11, 11244506), (13, 9514582), (14, 8834969), (22, 5622253), (26, 4757291), (31, 3989986), (62, 1994993), (77, 1606358), (91, 1359226), (143, 864962), (154, 803179), (182, 679613), (217, 569998), (286, 432481), (341, 362726), (403, 306922), (434, 284999), (682, 181363), (806, 153461), (1001, 123566), (1993, 62062), (2002, 61783), (2387, 51818), (2821, 43846), (3986, 31031), (4433, 27902), (4774, 25909), (5642, 21923), (8866, 13951)]