221796728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{63443}}^1$

素因数の和:63491

約数の個数: 32

約数和(自身を含む): 456796800

約数和(自身を除く): 235000072

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 63443, 126886, 253772, 507544, 1205417, 1459189, 2410834, 2918378, 4821668, 5836756, 9643336, 11673512, 27724591, 55449182, 110898364, 221796728]

約数ペア:

[(1, 221796728), (2, 110898364), (4, 55449182), (8, 27724591), (19, 11673512), (23, 9643336), (38, 5836756), (46, 4821668), (76, 2918378), (92, 2410834), (152, 1459189), (184, 1205417), (437, 507544), (874, 253772), (1748, 126886), (3496, 63443)]