28138085

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{797}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 35392896

約数和(自身を除く): 7254811

約数列:

[1, 5, 23, 115, 307, 797, 1535, 3985, 7061, 18331, 35305, 91655, 244679, 1223395, 5627617, 28138085]

約数ペア:

[(1, 28138085), (5, 5627617), (23, 1223395), (115, 244679), (307, 91655), (797, 35305), (1535, 18331), (3985, 7061)]