78689406

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{19841}}^1$

素因数の和:20507

約数の個数: 16

約数和(自身を含む): 157624848

約数和(自身を除く): 78935442

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 19841, 39682, 59523, 119046, 13114901, 26229802, 39344703, 78689406]

約数ペア:

[(1, 78689406), (2, 39344703), (3, 26229802), (6, 13114901), (661, 119046), (1322, 59523), (1983, 39682), (3966, 19841)]