28022995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 45581760

約数和(自身を除く): 17558765

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 385, 455, 509, 605, 715, 847, 1001, 1573, 2545, 3563, 4235, 5005, 5599, 6617, 7865, 11011, 17815, 27995, 33085, 39193, 46319, 55055, 61589, 72787, 195965, 231595, 307945, 363935, 431123, 509509, 800657, 2155615, 2547545, 4003285, 5604599, 28022995]

約数ペア:

[(1, 28022995), (5, 5604599), (7, 4003285), (11, 2547545), (13, 2155615), (35, 800657), (55, 509509), (65, 431123), (77, 363935), (91, 307945), (121, 231595), (143, 195965), (385, 72787), (455, 61589), (509, 55055), (605, 46319), (715, 39193), (847, 33085), (1001, 27995), (1573, 17815), (2545, 11011), (3563, 7865), (4235, 6617), (5005, 5599)]