16380268

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 29350944

約数和(自身を除く): 12970676

約数列:

[1, 2, 4, 71, 137, 142, 274, 284, 421, 548, 842, 1684, 9727, 19454, 29891, 38908, 57677, 59782, 115354, 119564, 230708, 4095067, 8190134, 16380268]

約数ペア:

[(1, 16380268), (2, 8190134), (4, 4095067), (71, 230708), (137, 119564), (142, 115354), (274, 59782), (284, 57677), (421, 38908), (548, 29891), (842, 19454), (1684, 9727)]