12545455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{751}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 16297344

約数和(自身を除く): 3751889

約数列:

[1, 5, 13, 65, 257, 751, 1285, 3341, 3755, 9763, 16705, 48815, 193007, 965035, 2509091, 12545455]

約数ペア:

[(1, 12545455), (5, 2509091), (13, 965035), (65, 193007), (257, 48815), (751, 16705), (1285, 9763), (3341, 3755)]