402314978

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{1091}}^2$

素因数の和:2210

約数の個数: 18

約数和(自身を含む): 654063777

約数和(自身を除く): 251748799

約数列:

[1, 2, 13, 26, 169, 338, 1091, 2182, 14183, 28366, 184379, 368758, 1190281, 2380562, 15473653, 30947306, 201157489, 402314978]

約数ペア:

[(1, 402314978), (2, 201157489), (13, 30947306), (26, 15473653), (169, 2380562), (338, 1190281), (1091, 368758), (2182, 184379), (14183, 28366)]