199912053

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 311846976

約数和(自身を除く): 111934923

約数列:

[1, 3, 11, 19, 33, 57, 97, 173, 209, 291, 361, 519, 627, 1067, 1083, 1843, 1903, 3201, 3287, 3971, 5529, 5709, 9861, 11913, 16781, 20273, 35017, 36157, 50343, 60819, 62453, 105051, 108471, 184591, 187359, 318839, 385187, 553773, 686983, 956517, 1155561, 2060949, 3507229, 6057941, 10521687, 18173823, 66637351, 199912053]

約数ペア:

[(1, 199912053), (3, 66637351), (11, 18173823), (19, 10521687), (33, 6057941), (57, 3507229), (97, 2060949), (173, 1155561), (209, 956517), (291, 686983), (361, 553773), (519, 385187), (627, 318839), (1067, 187359), (1083, 184591), (1843, 108471), (1903, 105051), (3201, 62453), (3287, 60819), (3971, 50343), (5529, 36157), (5709, 35017), (9861, 20273), (11913, 16781)]