1639336321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1\times {\mathrm{12539}}^1$

素因数の和:13548

約数の個数: 16

約数和(自身を含む): 1974297600

約数和(自身を除く): 334961279

約数列:

[1, 7, 19, 133, 983, 6881, 12539, 18677, 87773, 130739, 238241, 1667687, 12325837, 86280859, 234190903, 1639336321]

約数ペア:

[(1, 1639336321), (7, 234190903), (19, 86280859), (133, 12325837), (983, 1667687), (6881, 238241), (12539, 130739), (18677, 87773)]