28978090

素因数分解:

$2^1\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{1801}}^1$

素因数の和:3417

約数の個数: 16

約数和(自身を含む): 52221960

約数和(自身を除く): 23243870

約数列:

[1, 2, 5, 10, 1609, 1801, 3218, 3602, 8045, 9005, 16090, 18010, 2897809, 5795618, 14489045, 28978090]

約数ペア:

[(1, 28978090), (2, 14489045), (5, 5795618), (10, 2897809), (1609, 18010), (1801, 16090), (3218, 9005), (3602, 8045)]