216549004

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{407047}}^1$

素因数の和:407077

約数の個数: 24

約数和(自身を含む): 455893760

約数和(自身を除く): 239344756

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 407047, 814094, 1628188, 2849329, 5698658, 7733893, 11397316, 15467786, 30935572, 54137251, 108274502, 216549004]

約数ペア:

[(1, 216549004), (2, 108274502), (4, 54137251), (7, 30935572), (14, 15467786), (19, 11397316), (28, 7733893), (38, 5698658), (76, 2849329), (133, 1628188), (266, 814094), (532, 407047)]