1880817815

素因数分解:

$5^1\times {\mathrm{521}}^1\times {\mathrm{739}}^1\times {\mathrm{977}}^1$

素因数の和:2242

約数の個数: 16

約数和(自身を含む): 2266691040

約数和(自身を除く): 385873225

約数列:

[1, 5, 521, 739, 977, 2605, 3695, 4885, 385019, 509017, 722003, 1925095, 2545085, 3610015, 376163563, 1880817815]

約数ペア:

[(1, 1880817815), (5, 376163563), (521, 3610015), (739, 2545085), (977, 1925095), (2605, 722003), (3695, 509017), (4885, 385019)]