889990010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{978011}}^1$

素因数の和:978038

約数の個数: 32

約数和(自身を含む): 1971672192

約数和(自身を除く): 1081682182

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 978011, 1956022, 4890055, 6846077, 9780110, 12714143, 13692154, 25428286, 34230385, 63570715, 68460770, 88999001, 127141430, 177998002, 444995005, 889990010]

約数ペア:

[(1, 889990010), (2, 444995005), (5, 177998002), (7, 127141430), (10, 88999001), (13, 68460770), (14, 63570715), (26, 34230385), (35, 25428286), (65, 13692154), (70, 12714143), (91, 9780110), (130, 6846077), (182, 4890055), (455, 1956022), (910, 978011)]