2155996472

素因数分解:

$2^3\times 7^3\times {\mathrm{431}}^1\times {\mathrm{1823}}^1$

素因数の和:2281

約数の個数: 64

約数和(自身を含む): 4727808000

約数和(自身を除く): 2571811528

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 431, 686, 862, 1372, 1724, 1823, 2744, 3017, 3448, 3646, 6034, 7292, 12068, 12761, 14584, 21119, 24136, 25522, 42238, 51044, 84476, 89327, 102088, 147833, 168952, 178654, 295666, 357308, 591332, 625289, 714616, 785713, 1182664, 1250578, 1571426, 2501156, 3142852, 5002312, 5499991, 6285704, 10999982, 21999964, 38499937, 43999928, 76999874, 153999748, 269499559, 307999496, 538999118, 1077998236, 2155996472]

約数ペア:

[(1, 2155996472), (2, 1077998236), (4, 538999118), (7, 307999496), (8, 269499559), (14, 153999748), (28, 76999874), (49, 43999928), (56, 38499937), (98, 21999964), (196, 10999982), (343, 6285704), (392, 5499991), (431, 5002312), (686, 3142852), (862, 2501156), (1372, 1571426), (1724, 1250578), (1823, 1182664), (2744, 785713), (3017, 714616), (3448, 625289), (3646, 591332), (6034, 357308), (7292, 295666), (12068, 178654), (12761, 168952), (14584, 147833), (21119, 102088), (24136, 89327), (25522, 84476), (42238, 51044)]