28506275

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 43122240

約数和(自身を除く): 14615965

約数列:

[1, 5, 7, 25, 29, 35, 41, 137, 145, 175, 203, 205, 287, 685, 725, 959, 1015, 1025, 1189, 1435, 3425, 3973, 4795, 5075, 5617, 5945, 7175, 8323, 19865, 23975, 27811, 28085, 29725, 39319, 41615, 99325, 139055, 140425, 162893, 196595, 208075, 695275, 814465, 982975, 1140251, 4072325, 5701255, 28506275]

約数ペア:

[(1, 28506275), (5, 5701255), (7, 4072325), (25, 1140251), (29, 982975), (35, 814465), (41, 695275), (137, 208075), (145, 196595), (175, 162893), (203, 140425), (205, 139055), (287, 99325), (685, 41615), (725, 39319), (959, 29725), (1015, 28085), (1025, 27811), (1189, 23975), (1435, 19865), (3425, 8323), (3973, 7175), (4795, 5945), (5075, 5617)]