201991819

素因数分解:

${\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{977}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 215472960

約数和(自身を除く): 13481141

約数列:

[1, 23, 89, 101, 977, 2047, 2323, 8989, 22471, 86953, 98677, 206747, 1999919, 2269571, 8782253, 201991819]

約数ペア:

[(1, 201991819), (23, 8782253), (89, 2269571), (101, 1999919), (977, 206747), (2047, 98677), (2323, 86953), (8989, 22471)]