157798876

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{109279}}^1$

素因数の和:109321

約数の個数: 18

約数和(自身を含む): 291449760

約数和(自身を除く): 133650884

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 109279, 218558, 437116, 2076301, 4152602, 8305204, 39449719, 78899438, 157798876]

約数ペア:

[(1, 157798876), (2, 78899438), (4, 39449719), (19, 8305204), (38, 4152602), (76, 2076301), (361, 437116), (722, 218558), (1444, 109279)]