188865724

素因数分解:

$2^2\times {\mathrm{389}}^1\times {\mathrm{121379}}^1$

素因数の和:121772

約数の個数: 12

約数和(自身を含む): 331367400

約数和(自身を除く): 142501676

約数列:

[1, 2, 4, 389, 778, 1556, 121379, 242758, 485516, 47216431, 94432862, 188865724]

約数ペア:

[(1, 188865724), (2, 94432862), (4, 47216431), (389, 485516), (778, 242758), (1556, 121379)]