2011488985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1789}}^1\times {\mathrm{20443}}^1$

素因数の和:22248

約数の個数: 16

約数和(自身を含む): 2634822720

約数和(自身を除く): 623333735

約数列:

[1, 5, 11, 55, 1789, 8945, 19679, 20443, 98395, 102215, 224873, 1124365, 36572527, 182862635, 402297797, 2011488985]

約数ペア:

[(1, 2011488985), (5, 402297797), (11, 182862635), (55, 36572527), (1789, 1124365), (8945, 224873), (19679, 102215), (20443, 98395)]