209315945

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{1471}}^1$

素因数の和:1816

約数の個数: 16

約数和(自身を含む): 254361600

約数和(自身を除く): 45045655

約数列:

[1, 5, 149, 191, 745, 955, 1471, 7355, 28459, 142295, 219179, 280961, 1095895, 1404805, 41863189, 209315945]

約数ペア:

[(1, 209315945), (5, 41863189), (149, 1404805), (191, 1095895), (745, 280961), (955, 219179), (1471, 142295), (7355, 28459)]