1990202378

素因数分解:

$2^1\times {\mathrm{449}}^1\times {\mathrm{739}}^1\times {\mathrm{2999}}^1$

素因数の和:4189

約数の個数: 16

約数和(自身を含む): 2997000000

約数和(自身を除く): 1006797622

約数列:

[1, 2, 449, 739, 898, 1478, 2999, 5998, 331811, 663622, 1346551, 2216261, 2693102, 4432522, 995101189, 1990202378]

約数ペア:

[(1, 1990202378), (2, 995101189), (449, 4432522), (739, 2693102), (898, 2216261), (1478, 1346551), (2999, 663622), (5998, 331811)]