25278262

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1371

約数の個数: 16

約数和(自身を含む): 38707200

約数和(自身を除く): 13428938

約数列:

[1, 2, 79, 139, 158, 278, 1151, 2302, 10981, 21962, 90929, 159989, 181858, 319978, 12639131, 25278262]

約数ペア:

[(1, 25278262), (2, 12639131), (79, 319978), (139, 181858), (158, 159989), (278, 90929), (1151, 21962), (2302, 10981)]