163581796

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 351400896

約数和(自身を除く): 187819100

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 131, 161, 196, 262, 277, 322, 524, 554, 644, 917, 1108, 1127, 1834, 1939, 2254, 3013, 3668, 3878, 4508, 6026, 6371, 6419, 7756, 12052, 12742, 12838, 13573, 21091, 25484, 25676, 27146, 36287, 42182, 44597, 54292, 72574, 84364, 89194, 145148, 147637, 178388, 254009, 295274, 312179, 508018, 590548, 624358, 834601, 1016036, 1248716, 1669202, 1778063, 3338404, 3556126, 5842207, 7112252, 11684414, 23368828, 40895449, 81790898, 163581796]

約数ペア:

[(1, 163581796), (2, 81790898), (4, 40895449), (7, 23368828), (14, 11684414), (23, 7112252), (28, 5842207), (46, 3556126), (49, 3338404), (92, 1778063), (98, 1669202), (131, 1248716), (161, 1016036), (196, 834601), (262, 624358), (277, 590548), (322, 508018), (524, 312179), (554, 295274), (644, 254009), (917, 178388), (1108, 147637), (1127, 145148), (1834, 89194), (1939, 84364), (2254, 72574), (3013, 54292), (3668, 44597), (3878, 42182), (4508, 36287), (6026, 27146), (6371, 25676), (6419, 25484), (7756, 21091), (12052, 13573), (12742, 12838)]