64209778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 104428800

約数和(自身を除く): 40219022

約数列:

[1, 2, 19, 38, 73, 79, 146, 158, 293, 586, 1387, 1501, 2774, 3002, 5567, 5767, 11134, 11534, 21389, 23147, 42778, 46294, 109573, 219146, 406391, 439793, 812782, 879586, 1689731, 3379462, 32104889, 64209778]

約数ペア:

[(1, 64209778), (2, 32104889), (19, 3379462), (38, 1689731), (73, 879586), (79, 812782), (146, 439793), (158, 406391), (293, 219146), (586, 109573), (1387, 46294), (1501, 42778), (2774, 23147), (3002, 21389), (5567, 11534), (5767, 11134)]