9875390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 20611584

約数和(自身を除く): 10736194

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 1987, 2485, 3974, 4970, 9935, 13909, 19870, 27818, 69545, 139090, 141077, 282154, 705385, 987539, 1410770, 1975078, 4937695, 9875390]

約数ペア:

[(1, 9875390), (2, 4937695), (5, 1975078), (7, 1410770), (10, 987539), (14, 705385), (35, 282154), (70, 141077), (71, 139090), (142, 69545), (355, 27818), (497, 19870), (710, 13909), (994, 9935), (1987, 4970), (2485, 3974)]