51371257

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 61756992

約数和(自身を除く): 10385735

約数列:

[1, 7, 49, 53, 131, 151, 371, 917, 1057, 2597, 6419, 6943, 7399, 8003, 19781, 48601, 56021, 138467, 340207, 392147, 969269, 1048393, 7338751, 51371257]

約数ペア:

[(1, 51371257), (7, 7338751), (49, 1048393), (53, 969269), (131, 392147), (151, 340207), (371, 138467), (917, 56021), (1057, 48601), (2597, 19781), (6419, 8003), (6943, 7399)]