28508935

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8951}}^1$

素因数の和:8983

約数の個数: 24

約数和(自身を含む): 42862176

約数和(自身を除く): 14353241

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 8951, 44755, 62657, 116363, 313285, 438599, 581815, 814541, 2192995, 4072705, 5701787, 28508935]

約数ペア:

[(1, 28508935), (5, 5701787), (7, 4072705), (13, 2192995), (35, 814541), (49, 581815), (65, 438599), (91, 313285), (245, 116363), (455, 62657), (637, 44755), (3185, 8951)]