378012019975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{889440047}}^1$

素因数の和:889440074

約数の個数: 12

約数和(自身を含む): 496307546784

約数和(自身を除く): 118295526809

約数列:

[1, 5, 17, 25, 85, 425, 889440047, 4447200235, 15120480799, 22236001175, 75602403995, 378012019975]

約数ペア:

[(1, 378012019975), (5, 75602403995), (17, 22236001175), (25, 15120480799), (85, 4447200235), (425, 889440047)]