231291389

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{2713}}^1$

素因数の和:3380

約数の個数: 16

約数和(自身を含む): 278782080

約数和(自身を除く): 47490691

約数列:

[1, 7, 19, 133, 641, 2713, 4487, 12179, 18991, 51547, 85253, 360829, 1739033, 12173231, 33041627, 231291389]

約数ペア:

[(1, 231291389), (7, 33041627), (19, 12173231), (133, 1739033), (641, 360829), (2713, 85253), (4487, 51547), (12179, 18991)]