138949972

素因数分解:

$2^2\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{2777}}^1$

素因数の和:4575

約数の個数: 24

約数和(自身を含む): 278155584

約数和(自身を除く): 139205612

約数列:

[1, 2, 4, 7, 14, 28, 1787, 2777, 3574, 5554, 7148, 11108, 12509, 19439, 25018, 38878, 50036, 77756, 4962499, 9924998, 19849996, 34737493, 69474986, 138949972]

約数ペア:

[(1, 138949972), (2, 69474986), (4, 34737493), (7, 19849996), (14, 9924998), (28, 4962499), (1787, 77756), (2777, 50036), (3574, 38878), (5554, 25018), (7148, 19439), (11108, 12509)]