15721494830

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2609}}^1\times {\mathrm{12821}}^1$

素因数の和:15484

約数の個数: 32

約数和(自身を含む): 28914122880

約数和(自身を除く): 13192628050

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 2609, 5218, 12821, 13045, 25642, 26090, 64105, 122623, 128210, 245246, 602587, 613115, 1205174, 1226230, 3012935, 6025870, 33449989, 66899978, 167249945, 334499890, 1572149483, 3144298966, 7860747415, 15721494830]

約数ペア:

[(1, 15721494830), (2, 7860747415), (5, 3144298966), (10, 1572149483), (47, 334499890), (94, 167249945), (235, 66899978), (470, 33449989), (2609, 6025870), (5218, 3012935), (12821, 1226230), (13045, 1205174), (25642, 613115), (26090, 602587), (64105, 245246), (122623, 128210)]