28293278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{12227}}^1$

素因数の和:12331

約数の個数: 16

約数和(自身を含む): 46221840

約数和(自身を除く): 17928562

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 12227, 24454, 158951, 317902, 1088203, 2176406, 14146639, 28293278]

約数ペア:

[(1, 28293278), (2, 14146639), (13, 2176406), (26, 1088203), (89, 317902), (178, 158951), (1157, 24454), (2314, 12227)]