647964648

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{391283}}^1$

素因数の和:391318

約数の個数: 48

約数和(自身を含む): 1831209120

約数和(自身を除く): 1183244472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 391283, 782566, 1173849, 1565132, 2347698, 3130264, 3521547, 4695396, 7043094, 8999509, 9390792, 14086188, 17999018, 26998527, 28172376, 35998036, 53997054, 71996072, 80995581, 107994108, 161991162, 215988216, 323982324, 647964648]

約数ペア:

[(1, 647964648), (2, 323982324), (3, 215988216), (4, 161991162), (6, 107994108), (8, 80995581), (9, 71996072), (12, 53997054), (18, 35998036), (23, 28172376), (24, 26998527), (36, 17999018), (46, 14086188), (69, 9390792), (72, 8999509), (92, 7043094), (138, 4695396), (184, 3521547), (207, 3130264), (276, 2347698), (414, 1565132), (552, 1173849), (828, 782566), (1656, 391283)]