218721362

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{21347}}^1$

素因数の和:21505

約数の個数: 16

約数和(自身を含む): 338152320

約数和(自身を除く): 119430958

約数列:

[1, 2, 47, 94, 109, 218, 5123, 10246, 21347, 42694, 1003309, 2006618, 2326823, 4653646, 109360681, 218721362]

約数ペア:

[(1, 218721362), (2, 109360681), (47, 4653646), (94, 2326823), (109, 2006618), (218, 1003309), (5123, 42694), (10246, 21347)]