1394225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 2047488

約数和(自身を除く): 653263

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 257, 775, 1085, 1285, 1799, 5425, 6425, 7967, 8995, 39835, 44975, 55769, 199175, 278845, 1394225]

約数ペア:

[(1, 1394225), (5, 278845), (7, 199175), (25, 55769), (31, 44975), (35, 39835), (155, 8995), (175, 7967), (217, 6425), (257, 5425), (775, 1799), (1085, 1285)]