209899554

素因数分解:

$2^1\times 3^1\times {\mathrm{491}}^1\times {\mathrm{71249}}^1$

素因数の和:71745

約数の個数: 16

約数和(自身を含む): 420660000

約数和(自身を除く): 210760446

約数列:

[1, 2, 3, 6, 491, 982, 1473, 2946, 71249, 142498, 213747, 427494, 34983259, 69966518, 104949777, 209899554]

約数ペア:

[(1, 209899554), (2, 104949777), (3, 69966518), (6, 34983259), (491, 427494), (982, 213747), (1473, 142498), (2946, 71249)]