81976112

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61729}}^1$

素因数の和:61820

約数の個数: 20

約数和(自身を含む): 160744920

約数和(自身を除く): 78768808

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61729, 123458, 246916, 493832, 987664, 5123507, 10247014, 20494028, 40988056, 81976112]

約数ペア:

[(1, 81976112), (2, 40988056), (4, 20494028), (8, 10247014), (16, 5123507), (83, 987664), (166, 493832), (332, 246916), (664, 123458), (1328, 61729)]