156916438225

素因数分解:

$5^2\times {\mathrm{77999}}^1\times {\mathrm{80471}}^1$

素因数の和:158480

約数の個数: 12

約数和(自身を含む): 194581296000

約数和(自身を除く): 37664857775

約数列:

[1, 5, 25, 77999, 80471, 389995, 402355, 1949975, 2011775, 6276657529, 31383287645, 156916438225]

約数ペア:

[(1, 156916438225), (5, 31383287645), (25, 6276657529), (77999, 2011775), (80471, 1949975), (389995, 402355)]