205996986

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4133}}^1$

素因数の和:4228

約数の個数: 64

約数和(自身を含む): 500048640

約数和(自身を除く): 294051654

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 213, 234, 351, 426, 639, 702, 923, 1278, 1846, 1917, 2769, 3834, 4133, 5538, 8266, 8307, 12399, 16614, 24798, 24921, 37197, 49842, 53729, 74394, 107458, 111591, 161187, 223182, 293443, 322374, 483561, 586886, 880329, 967122, 1450683, 1760658, 2640987, 2901366, 3814759, 5281974, 7629518, 7922961, 11444277, 15845922, 22888554, 34332831, 68665662, 102998493, 205996986]

約数ペア:

[(1, 205996986), (2, 102998493), (3, 68665662), (6, 34332831), (9, 22888554), (13, 15845922), (18, 11444277), (26, 7922961), (27, 7629518), (39, 5281974), (54, 3814759), (71, 2901366), (78, 2640987), (117, 1760658), (142, 1450683), (213, 967122), (234, 880329), (351, 586886), (426, 483561), (639, 322374), (702, 293443), (923, 223182), (1278, 161187), (1846, 111591), (1917, 107458), (2769, 74394), (3834, 53729), (4133, 49842), (5538, 37197), (8266, 24921), (8307, 24798), (12399, 16614)]