66617978

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{78007}}^1$

素因数の和:78077

約数の個数: 16

約数和(自身を含む): 116075904

約数和(自身を除く): 49457926

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 78007, 156014, 546049, 1092098, 4758427, 9516854, 33308989, 66617978]

約数ペア:

[(1, 66617978), (2, 33308989), (7, 9516854), (14, 4758427), (61, 1092098), (122, 546049), (427, 156014), (854, 78007)]