28648165

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 14252315

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 797, 1027, 2765, 3985, 5135, 5579, 7189, 10361, 27895, 35945, 51805, 62963, 72527, 314815, 362635, 440741, 818519, 2203705, 4092595, 5729633, 28648165]

約数ペア:

[(1, 28648165), (5, 5729633), (7, 4092595), (13, 2203705), (35, 818519), (65, 440741), (79, 362635), (91, 314815), (395, 72527), (455, 62963), (553, 51805), (797, 35945), (1027, 27895), (2765, 10361), (3985, 7189), (5135, 5579)]