2780565538

素因数分解:

$2^1\times {\mathrm{521}}^1\times {\mathrm{1051}}^1\times {\mathrm{2539}}^1$

素因数の和:4113

約数の個数: 16

約数和(自身を含む): 4184477280

約数和(自身を除く): 1403911742

約数列:

[1, 2, 521, 1042, 1051, 2102, 2539, 5078, 547571, 1095142, 1322819, 2645638, 2668489, 5336978, 1390282769, 2780565538]

約数ペア:

[(1, 2780565538), (2, 1390282769), (521, 5336978), (1042, 2668489), (1051, 2645638), (2102, 1322819), (2539, 1095142), (5078, 547571)]