1274921870

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{507937}}^1$

素因数の和:508195

約数の個数: 16

約数和(自身を含む): 2304006768

約数和(自身を除く): 1029084898

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 507937, 1015874, 2539685, 5079370, 127492187, 254984374, 637460935, 1274921870]

約数ペア:

[(1, 1274921870), (2, 637460935), (5, 254984374), (10, 127492187), (251, 5079370), (502, 2539685), (1255, 1015874), (2510, 507937)]