199208037

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 331997184

約数和(自身を除く): 132789147

約数列:

[1, 3, 7, 21, 23, 37, 69, 71, 111, 157, 161, 213, 259, 471, 483, 497, 777, 851, 1099, 1491, 1633, 2553, 2627, 3297, 3611, 4899, 5809, 5957, 7881, 10833, 11147, 11431, 17427, 17871, 18389, 25277, 33441, 34293, 40663, 55167, 60421, 75831, 78029, 121989, 133607, 181263, 234087, 256381, 400821, 412439, 422947, 769143, 935249, 1237317, 1268841, 1794667, 2805747, 2887073, 5384001, 8661219, 9486097, 28458291, 66402679, 199208037]

約数ペア:

[(1, 199208037), (3, 66402679), (7, 28458291), (21, 9486097), (23, 8661219), (37, 5384001), (69, 2887073), (71, 2805747), (111, 1794667), (157, 1268841), (161, 1237317), (213, 935249), (259, 769143), (471, 422947), (483, 412439), (497, 400821), (777, 256381), (851, 234087), (1099, 181263), (1491, 133607), (1633, 121989), (2553, 78029), (2627, 75831), (3297, 60421), (3611, 55167), (4899, 40663), (5809, 34293), (5957, 33441), (7881, 25277), (10833, 18389), (11147, 17871), (11431, 17427)]