668223894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{161641}}^1$

素因数の和:161712

約数の個数: 32

約数和(自身を含む): 1466416224

約数和(自身を除く): 798192330

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 161641, 323282, 484923, 969846, 2101333, 4202666, 6303999, 8566973, 12607998, 17133946, 25700919, 51401838, 111370649, 222741298, 334111947, 668223894]

約数ペア:

[(1, 668223894), (2, 334111947), (3, 222741298), (6, 111370649), (13, 51401838), (26, 25700919), (39, 17133946), (53, 12607998), (78, 8566973), (106, 6303999), (159, 4202666), (318, 2101333), (689, 969846), (1378, 484923), (2067, 323282), (4134, 161641)]