28678184

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{210869}}^1$

素因数の和:210892

約数の個数: 16

約数和(自身を含む): 56934900

約数和(自身を除く): 28256716

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 210869, 421738, 843476, 1686952, 3584773, 7169546, 14339092, 28678184]

約数ペア:

[(1, 28678184), (2, 14339092), (4, 7169546), (8, 3584773), (17, 1686952), (34, 843476), (68, 421738), (136, 210869)]