28263389

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15959}}^1$

素因数の和:16000

約数の個数: 16

約数和(自身を含む): 36771840

約数和(自身を除く): 8508451

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 15959, 111713, 175549, 367057, 1228843, 2569399, 4037627, 28263389]

約数ペア:

[(1, 28263389), (7, 4037627), (11, 2569399), (23, 1228843), (77, 367057), (161, 175549), (253, 111713), (1771, 15959)]