28784602

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 54080640

約数和(自身を除く): 25296038

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 409, 457, 818, 914, 2863, 3199, 4499, 5027, 5726, 6398, 8998, 10054, 31493, 35189, 62986, 70378, 186913, 373826, 1308391, 2056043, 2616782, 4112086, 14392301, 28784602]

約数ペア:

[(1, 28784602), (2, 14392301), (7, 4112086), (11, 2616782), (14, 2056043), (22, 1308391), (77, 373826), (154, 186913), (409, 70378), (457, 62986), (818, 35189), (914, 31493), (2863, 10054), (3199, 8998), (4499, 6398), (5027, 5726)]