988339990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{25453}}^1$

素因数の和:25824

約数の個数: 32

約数和(自身を含む): 1946314656

約数和(自身を除く): 957974666

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 353, 706, 1765, 3530, 3883, 7766, 19415, 25453, 38830, 50906, 127265, 254530, 279983, 559966, 1399915, 2799830, 8984909, 17969818, 44924545, 89849090, 98833999, 197667998, 494169995, 988339990]

約数ペア:

[(1, 988339990), (2, 494169995), (5, 197667998), (10, 98833999), (11, 89849090), (22, 44924545), (55, 17969818), (110, 8984909), (353, 2799830), (706, 1399915), (1765, 559966), (3530, 279983), (3883, 254530), (7766, 127265), (19415, 50906), (25453, 38830)]