2132455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 2812320

約数和(自身を除く): 679865

約数列:

[1, 5, 13, 53, 65, 265, 619, 689, 3095, 3445, 8047, 32807, 40235, 164035, 426491, 2132455]

約数ペア:

[(1, 2132455), (5, 426491), (13, 164035), (53, 40235), (65, 32807), (265, 8047), (619, 3445), (689, 3095)]