25656986

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:997

約数の個数: 16

約数和(自身を含む): 39227328

約数和(自身を除く): 13570342

約数列:

[1, 2, 71, 142, 281, 562, 643, 1286, 19951, 39902, 45653, 91306, 180683, 361366, 12828493, 25656986]

約数ペア:

[(1, 25656986), (2, 12828493), (71, 361366), (142, 180683), (281, 91306), (562, 45653), (643, 39902), (1286, 19951)]