131641568

素因数分解:

$2^5\times {\mathrm{257}}^1\times {\mathrm{16007}}^1$

素因数の和:16274

約数の個数: 24

約数和(自身を含む): 260194032

約数和(自身を除く): 128552464

約数列:

[1, 2, 4, 8, 16, 32, 257, 514, 1028, 2056, 4112, 8224, 16007, 32014, 64028, 128056, 256112, 512224, 4113799, 8227598, 16455196, 32910392, 65820784, 131641568]

約数ペア:

[(1, 131641568), (2, 65820784), (4, 32910392), (8, 16455196), (16, 8227598), (32, 4113799), (257, 512224), (514, 256112), (1028, 128056), (2056, 64028), (4112, 32014), (8224, 16007)]