12689878

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1023

約数の個数: 16

約数和(自身を含む): 19780560

約数和(自身を除く): 7090682

約数列:

[1, 2, 29, 58, 331, 661, 662, 1322, 9599, 19169, 19198, 38338, 218791, 437582, 6344939, 12689878]

約数ペア:

[(1, 12689878), (2, 6344939), (29, 437582), (58, 218791), (331, 38338), (661, 19198), (662, 19169), (1322, 9599)]