81319222

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1\times {\mathrm{1787}}^1$

素因数の和:2223

約数の個数: 16

約数和(自身を含む): 124380432

約数和(自身を除く): 43061210

約数列:

[1, 2, 61, 122, 373, 746, 1787, 3574, 22753, 45506, 109007, 218014, 666551, 1333102, 40659611, 81319222]

約数ペア:

[(1, 81319222), (2, 40659611), (61, 1333102), (122, 666551), (373, 218014), (746, 109007), (1787, 45506), (3574, 22753)]