28761005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63211}}^1$

素因数の和:63236

約数の個数: 16

約数和(自身を含む): 42478464

約数和(自身を除く): 13717459

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63211, 316055, 442477, 821743, 2212385, 4108715, 5752201, 28761005]

約数ペア:

[(1, 28761005), (5, 5752201), (7, 4108715), (13, 2212385), (35, 821743), (65, 442477), (91, 316055), (455, 63211)]