8459990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10987}}^1$

素因数の和:11012

約数の個数: 32

約数和(自身を含む): 18987264

約数和(自身を除く): 10527274

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 10987, 21974, 54935, 76909, 109870, 120857, 153818, 241714, 384545, 604285, 769090, 845999, 1208570, 1691998, 4229995, 8459990]

約数ペア:

[(1, 8459990), (2, 4229995), (5, 1691998), (7, 1208570), (10, 845999), (11, 769090), (14, 604285), (22, 384545), (35, 241714), (55, 153818), (70, 120857), (77, 109870), (110, 76909), (154, 54935), (385, 21974), (770, 10987)]