1257506211

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{216401}}^1$

素因数の和:216566

約数の個数: 16

約数和(自身を含む): 1817776800

約数和(自身を除く): 560270589

約数列:

[1, 3, 13, 39, 149, 447, 1937, 5811, 216401, 649203, 2813213, 8439639, 32243749, 96731247, 419168737, 1257506211]

約数ペア:

[(1, 1257506211), (3, 419168737), (13, 96731247), (39, 32243749), (149, 8439639), (447, 2813213), (1937, 649203), (5811, 216401)]