78421978

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{2713}}^1$

素因数の和:2961

約数の個数: 16

約数和(自身を含む): 119687400

約数和(自身を除く): 41265422

約数列:

[1, 2, 97, 149, 194, 298, 2713, 5426, 14453, 28906, 263161, 404237, 526322, 808474, 39210989, 78421978]

約数ペア:

[(1, 78421978), (2, 39210989), (97, 808474), (149, 526322), (194, 404237), (298, 263161), (2713, 28906), (5426, 14453)]