28757406

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{208387}}^1$

素因数の和:208415

約数の個数: 16

約数和(自身を含む): 60015744

約数和(自身を除く): 31258338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 208387, 416774, 625161, 1250322, 4792901, 9585802, 14378703, 28757406]

約数ペア:

[(1, 28757406), (2, 14378703), (3, 9585802), (6, 4792901), (23, 1250322), (46, 625161), (69, 416774), (138, 208387)]