209512101205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{200490049}}^1$

素因数の和:200490084

約数の個数: 16

約数和(自身を含む): 288705672000

約数和(自身を除く): 79193570795

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 200490049, 1002450245, 2205390539, 3809310931, 11026952695, 19046554655, 41902420241, 209512101205]

約数ペア:

[(1, 209512101205), (5, 41902420241), (11, 19046554655), (19, 11026952695), (55, 3809310931), (95, 2205390539), (209, 1002450245), (1045, 200490049)]