28437385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{677}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 35407872

約数和(自身を除く): 6970487

約数列:

[1, 5, 31, 155, 271, 677, 1355, 3385, 8401, 20987, 42005, 104935, 183467, 917335, 5687477, 28437385]

約数ペア:

[(1, 28437385), (5, 5687477), (31, 917335), (155, 183467), (271, 104935), (677, 42005), (1355, 20987), (3385, 8401)]