1808170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2014

約数の個数: 32

約数和(自身を含む): 4007808

約数和(自身を除く): 2199638

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 1987, 3974, 9935, 13909, 19870, 25831, 27818, 51662, 69545, 129155, 139090, 180817, 258310, 361634, 904085, 1808170]

約数ペア:

[(1, 1808170), (2, 904085), (5, 361634), (7, 258310), (10, 180817), (13, 139090), (14, 129155), (26, 69545), (35, 51662), (65, 27818), (70, 25831), (91, 19870), (130, 13909), (182, 9935), (455, 3974), (910, 1987)]