216641572

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{407221}}^1$

素因数の和:407251

約数の個数: 24

約数和(自身を含む): 456088640

約数和(自身を除く): 239447068

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 407221, 814442, 1628884, 2850547, 5701094, 7737199, 11402188, 15474398, 30948796, 54160393, 108320786, 216641572]

約数ペア:

[(1, 216641572), (2, 108320786), (4, 54160393), (7, 30948796), (14, 15474398), (19, 11402188), (28, 7737199), (38, 5701094), (76, 2850547), (133, 1628884), (266, 814442), (532, 407221)]