25978109

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 28024704

約数和(自身を除く): 2046595

約数列:

[1, 23, 53, 101, 211, 1219, 2323, 4853, 5353, 11183, 21311, 123119, 257209, 490153, 1129483, 25978109]

約数ペア:

[(1, 25978109), (23, 1129483), (53, 490153), (101, 257209), (211, 123119), (1219, 21311), (2323, 11183), (4853, 5353)]