12971295938

素因数分解:

$2^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1\times {\mathrm{25951}}^1$

素因数の和:26953

約数の個数: 16

約数和(自身を含む): 19535627520

約数和(自身を除く): 6564331582

約数列:

[1, 2, 491, 509, 982, 1018, 25951, 51902, 249919, 499838, 12741941, 13209059, 25483882, 26418118, 6485647969, 12971295938]

約数ペア:

[(1, 12971295938), (2, 6485647969), (491, 26418118), (509, 25483882), (982, 13209059), (1018, 12741941), (25951, 499838), (51902, 249919)]