397156690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{18481}}^1$

素因数の和:18802

約数の個数: 32

約数和(自身を含む): 819713664

約数和(自身を除く): 422556974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 1535, 2149, 3070, 4298, 10745, 18481, 21490, 36962, 92405, 129367, 184810, 258734, 646835, 1293670, 5673667, 11347334, 28368335, 39715669, 56736670, 79431338, 198578345, 397156690]

約数ペア:

[(1, 397156690), (2, 198578345), (5, 79431338), (7, 56736670), (10, 39715669), (14, 28368335), (35, 11347334), (70, 5673667), (307, 1293670), (614, 646835), (1535, 258734), (2149, 184810), (3070, 129367), (4298, 92405), (10745, 36962), (18481, 21490)]