213426005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 283046400

約数和(自身を除く): 69620395

約数列:

[1, 5, 13, 65, 79, 89, 395, 445, 467, 1027, 1157, 2335, 5135, 5785, 6071, 7031, 30355, 35155, 36893, 41563, 91403, 184465, 207815, 457015, 479609, 540319, 2398045, 2701595, 3283477, 16417385, 42685201, 213426005]

約数ペア:

[(1, 213426005), (5, 42685201), (13, 16417385), (65, 3283477), (79, 2701595), (89, 2398045), (395, 540319), (445, 479609), (467, 457015), (1027, 207815), (1157, 184465), (2335, 91403), (5135, 41563), (5785, 36893), (6071, 35155), (7031, 30355)]