28781557

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 33707520

約数和(自身を除く): 4925963

約数列:

[1, 7, 59, 227, 307, 413, 1589, 2149, 13393, 18113, 69689, 93751, 126791, 487823, 4111651, 28781557]

約数ペア:

[(1, 28781557), (7, 4111651), (59, 487823), (227, 126791), (307, 93751), (413, 69689), (1589, 18113), (2149, 13393)]