138966472

素因数分解:

$2^3\times {\mathrm{811}}^1\times {\mathrm{21419}}^1$

素因数の和:22236

約数の個数: 16

約数和(自身を含む): 260895600

約数和(自身を除く): 121929128

約数列:

[1, 2, 4, 8, 811, 1622, 3244, 6488, 21419, 42838, 85676, 171352, 17370809, 34741618, 69483236, 138966472]

約数ペア:

[(1, 138966472), (2, 69483236), (4, 34741618), (8, 17370809), (811, 171352), (1622, 85676), (3244, 42838), (6488, 21419)]