1340949565

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{18191}}^1$

素因数の和:18860

約数の個数: 16

約数和(自身を含む): 1681814016

約数和(自身を除く): 340864451

約数列:

[1, 5, 23, 115, 641, 3205, 14743, 18191, 73715, 90955, 418393, 2091965, 11660431, 58302155, 268189913, 1340949565]

約数ペア:

[(1, 1340949565), (5, 268189913), (23, 58302155), (115, 11660431), (641, 2091965), (3205, 418393), (14743, 90955), (18191, 73715)]