128375065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{282143}}^1$

素因数の和:282168

約数の個数: 16

約数和(自身を含む): 189600768

約数和(自身を除く): 61225703

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 282143, 1410715, 1975001, 3667859, 9875005, 18339295, 25675013, 128375065]

約数ペア:

[(1, 128375065), (5, 25675013), (7, 18339295), (13, 9875005), (35, 3667859), (65, 1975001), (91, 1410715), (455, 282143)]