12406890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17981}}^1$

素因数の和:18014

約数の個数: 32

約数和(自身を含む): 31072896

約数和(自身を除く): 18666006

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 17981, 35962, 53943, 89905, 107886, 179810, 269715, 413563, 539430, 827126, 1240689, 2067815, 2481378, 4135630, 6203445, 12406890]

約数ペア:

[(1, 12406890), (2, 6203445), (3, 4135630), (5, 2481378), (6, 2067815), (10, 1240689), (15, 827126), (23, 539430), (30, 413563), (46, 269715), (69, 179810), (115, 107886), (138, 89905), (230, 53943), (345, 35962), (690, 17981)]