28679695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{17981}}^1$

素因数の和:18026

約数の個数: 16

約数和(自身を含む): 38841120

約数和(自身を除く): 10161425

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 17981, 89905, 197791, 521449, 988955, 2607245, 5735939, 28679695]

約数ペア:

[(1, 28679695), (5, 5735939), (11, 2607245), (29, 988955), (55, 521449), (145, 197791), (319, 89905), (1595, 17981)]