978428048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4703981}}^1$

素因数の和:4704002

約数の個数: 20

約数和(自身を含む): 2041528188

約数和(自身を除く): 1063100140

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4703981, 9407962, 18815924, 37631848, 61151753, 75263696, 122303506, 244607012, 489214024, 978428048]

約数ペア:

[(1, 978428048), (2, 489214024), (4, 244607012), (8, 122303506), (13, 75263696), (16, 61151753), (26, 37631848), (52, 18815924), (104, 9407962), (208, 4703981)]