199687587

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 325693440

約数和(自身を除く): 126005853

約数列:

[1, 3, 11, 19, 23, 33, 57, 61, 69, 183, 209, 227, 253, 437, 627, 671, 681, 759, 1159, 1311, 1403, 2013, 2497, 3477, 4209, 4313, 4807, 5221, 7491, 12749, 12939, 13847, 14421, 15433, 15663, 26657, 38247, 41541, 46299, 47443, 57431, 79971, 99199, 142329, 152317, 172293, 263093, 293227, 297597, 318481, 456951, 789279, 879681, 955443, 1091189, 2894023, 3273567, 3503291, 6051139, 8682069, 10509873, 18153417, 66562529, 199687587]

約数ペア:

[(1, 199687587), (3, 66562529), (11, 18153417), (19, 10509873), (23, 8682069), (33, 6051139), (57, 3503291), (61, 3273567), (69, 2894023), (183, 1091189), (209, 955443), (227, 879681), (253, 789279), (437, 456951), (627, 318481), (671, 297597), (681, 293227), (759, 263093), (1159, 172293), (1311, 152317), (1403, 142329), (2013, 99199), (2497, 79971), (3477, 57431), (4209, 47443), (4313, 46299), (4807, 41541), (5221, 38247), (7491, 26657), (12749, 15663), (12939, 15433), (13847, 14421)]