161569881145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1\times {\mathrm{20123}}^1$

素因数の和:20749

約数の個数: 32

約数和(自身を含む): 205554585600

約数和(自身を除く): 43984704455

約数列:

[1, 5, 19, 95, 223, 379, 1115, 1895, 4237, 7201, 20123, 21185, 36005, 84517, 100615, 382337, 422585, 1605823, 1911685, 4487429, 7626617, 8029115, 22437145, 38133085, 85261151, 144905723, 426305755, 724528615, 1700735591, 8503677955, 32313976229, 161569881145]

約数ペア:

[(1, 161569881145), (5, 32313976229), (19, 8503677955), (95, 1700735591), (223, 724528615), (379, 426305755), (1115, 144905723), (1895, 85261151), (4237, 38133085), (7201, 22437145), (20123, 8029115), (21185, 7626617), (36005, 4487429), (84517, 1911685), (100615, 1605823), (382337, 422585)]