856428

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 2177280

約数和(自身を除く): 1320852

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 107, 116, 138, 174, 214, 276, 321, 348, 428, 642, 667, 1284, 1334, 2001, 2461, 2668, 3103, 4002, 4922, 6206, 7383, 8004, 9309, 9844, 12412, 14766, 18618, 29532, 37236, 71369, 142738, 214107, 285476, 428214, 856428]

約数ペア:

[(1, 856428), (2, 428214), (3, 285476), (4, 214107), (6, 142738), (12, 71369), (23, 37236), (29, 29532), (46, 18618), (58, 14766), (69, 12412), (87, 9844), (92, 9309), (107, 8004), (116, 7383), (138, 6206), (174, 4922), (214, 4002), (276, 3103), (321, 2668), (348, 2461), (428, 2001), (642, 1334), (667, 1284)]