2782325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1223}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 4249728

約数和(自身を除く): 1467403

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 1223, 2275, 6115, 8561, 15899, 30575, 42805, 79495, 111293, 214025, 397475, 556465, 2782325]

約数ペア:

[(1, 2782325), (5, 556465), (7, 397475), (13, 214025), (25, 111293), (35, 79495), (65, 42805), (91, 30575), (175, 15899), (325, 8561), (455, 6115), (1223, 2275)]