28379690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97861}}^1$

素因数の和:97897

約数の個数: 16

約数和(自身を含む): 52845480

約数和(自身を除く): 24465790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 97861, 195722, 489305, 978610, 2837969, 5675938, 14189845, 28379690]

約数ペア:

[(1, 28379690), (2, 14189845), (5, 5675938), (10, 2837969), (29, 978610), (58, 489305), (145, 195722), (290, 97861)]