28513205

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 13477195

約数列:

[1, 5, 7, 19, 35, 53, 95, 133, 265, 371, 665, 809, 1007, 1855, 4045, 5035, 5663, 7049, 15371, 28315, 35245, 42877, 76855, 107597, 214385, 300139, 537985, 814663, 1500695, 4073315, 5702641, 28513205]

約数ペア:

[(1, 28513205), (5, 5702641), (7, 4073315), (19, 1500695), (35, 814663), (53, 537985), (95, 300139), (133, 214385), (265, 107597), (371, 76855), (665, 42877), (809, 35245), (1007, 28315), (1855, 15371), (4045, 7049), (5035, 5663)]