28651645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2027}}^1$

素因数の和:2300

約数の個数: 16

約数和(自身を含む): 37672128

約数和(自身を除く): 9020483

約数列:

[1, 5, 11, 55, 257, 1285, 2027, 2827, 10135, 14135, 22297, 111485, 520939, 2604695, 5730329, 28651645]

約数ペア:

[(1, 28651645), (5, 5730329), (11, 2604695), (55, 520939), (257, 111485), (1285, 22297), (2027, 14135), (2827, 10135)]