78654010

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{128941}}^1$

素因数の和:129009

約数の個数: 16

約数和(自身を含む): 143899272

約数和(自身を除く): 65245262

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 128941, 257882, 644705, 1289410, 7865401, 15730802, 39327005, 78654010]

約数ペア:

[(1, 78654010), (2, 39327005), (5, 15730802), (10, 7865401), (61, 1289410), (122, 644705), (305, 257882), (610, 128941)]