397327968

素因数分解:

$2^5\times 3^2\times {\mathrm{787}}^1\times {\mathrm{1753}}^1$

素因数の和:2556

約数の個数: 72

約数和(自身を含む): 1131982488

約数和(自身を除く): 734654520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 787, 1574, 1753, 2361, 3148, 3506, 4722, 5259, 6296, 7012, 7083, 9444, 10518, 12592, 14024, 14166, 15777, 18888, 21036, 25184, 28048, 28332, 31554, 37776, 42072, 56096, 56664, 63108, 75552, 84144, 113328, 126216, 168288, 226656, 252432, 504864, 1379611, 2759222, 4138833, 5518444, 8277666, 11036888, 12416499, 16555332, 22073776, 24832998, 33110664, 44147552, 49665996, 66221328, 99331992, 132442656, 198663984, 397327968]

約数ペア:

[(1, 397327968), (2, 198663984), (3, 132442656), (4, 99331992), (6, 66221328), (8, 49665996), (9, 44147552), (12, 33110664), (16, 24832998), (18, 22073776), (24, 16555332), (32, 12416499), (36, 11036888), (48, 8277666), (72, 5518444), (96, 4138833), (144, 2759222), (288, 1379611), (787, 504864), (1574, 252432), (1753, 226656), (2361, 168288), (3148, 126216), (3506, 113328), (4722, 84144), (5259, 75552), (6296, 63108), (7012, 56664), (7083, 56096), (9444, 42072), (10518, 37776), (12592, 31554), (14024, 28332), (14166, 28048), (15777, 25184), (18888, 21036)]