278340386

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{5281}}^1$

素因数の和:5394

約数の個数: 24

約数和(自身を含む): 446762124

約数和(自身を除く): 168421738

約数列:

[1, 2, 19, 38, 73, 146, 361, 722, 1387, 2774, 5281, 10562, 26353, 52706, 100339, 200678, 385513, 771026, 1906441, 3812882, 7324747, 14649494, 139170193, 278340386]

約数ペア:

[(1, 278340386), (2, 139170193), (19, 14649494), (38, 7324747), (73, 3812882), (146, 1906441), (361, 771026), (722, 385513), (1387, 200678), (2774, 100339), (5281, 52706), (10562, 26353)]