2154256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{10357}}^1$

素因数の和:10378

約数の個数: 20

約数和(自身を含む): 4495372

約数和(自身を除く): 2341116

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 10357, 20714, 41428, 82856, 134641, 165712, 269282, 538564, 1077128, 2154256]

約数ペア:

[(1, 2154256), (2, 1077128), (4, 538564), (8, 269282), (13, 165712), (16, 134641), (26, 82856), (52, 41428), (104, 20714), (208, 10357)]