157315538

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{20981}}^1$

素因数の和:21169

約数の個数: 16

約数和(自身を含む): 247755456

約数和(自身を除く): 90439918

約数列:

[1, 2, 23, 46, 163, 326, 3749, 7498, 20981, 41962, 482563, 965126, 3419903, 6839806, 78657769, 157315538]

約数ペア:

[(1, 157315538), (2, 78657769), (23, 6839806), (46, 3419903), (163, 965126), (326, 482563), (3749, 41962), (7498, 20981)]