261007266

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2107

約数の個数: 64

約数和(自身を含む): 594945792

約数和(自身を除く): 333938526

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 73, 78, 138, 146, 219, 299, 438, 598, 897, 949, 1679, 1794, 1898, 1993, 2847, 3358, 3986, 5037, 5694, 5979, 10074, 11958, 21827, 25909, 43654, 45839, 51818, 65481, 77727, 91678, 130962, 137517, 145489, 155454, 275034, 290978, 436467, 595907, 872934, 1191814, 1787721, 1891357, 3346247, 3575442, 3782714, 5674071, 6692494, 10038741, 11348142, 20077482, 43501211, 87002422, 130503633, 261007266]

約数ペア:

[(1, 261007266), (2, 130503633), (3, 87002422), (6, 43501211), (13, 20077482), (23, 11348142), (26, 10038741), (39, 6692494), (46, 5674071), (69, 3782714), (73, 3575442), (78, 3346247), (138, 1891357), (146, 1787721), (219, 1191814), (299, 872934), (438, 595907), (598, 436467), (897, 290978), (949, 275034), (1679, 155454), (1794, 145489), (1898, 137517), (1993, 130962), (2847, 91678), (3358, 77727), (3986, 65481), (5037, 51818), (5694, 45839), (5979, 43654), (10074, 25909), (11958, 21827)]