219482879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 282501120

約数和(自身を除く): 63018241

約数列:

[1, 7, 11, 43, 77, 151, 301, 439, 473, 1057, 1661, 3073, 3311, 4829, 6493, 11627, 18877, 33803, 45451, 66289, 71423, 132139, 207647, 464023, 499961, 729179, 1453529, 2850427, 5104253, 19952989, 31354697, 219482879]

約数ペア:

[(1, 219482879), (7, 31354697), (11, 19952989), (43, 5104253), (77, 2850427), (151, 1453529), (301, 729179), (439, 499961), (473, 464023), (1057, 207647), (1661, 132139), (3073, 71423), (3311, 66289), (4829, 45451), (6493, 33803), (11627, 18877)]