28261156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91757}}^1$

素因数の和:91779

約数の個数: 24

約数和(自身を含む): 61661376

約数和(自身を除く): 33400220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 91757, 183514, 367028, 642299, 1009327, 1284598, 2018654, 2569196, 4037308, 7065289, 14130578, 28261156]

約数ペア:

[(1, 28261156), (2, 14130578), (4, 7065289), (7, 4037308), (11, 2569196), (14, 2018654), (22, 1284598), (28, 1009327), (44, 642299), (77, 367028), (154, 183514), (308, 91757)]