216507565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73517}}^1$

素因数の和:73572

約数の個数: 16

約数和(自身を含む): 282309120

約数和(自身を除く): 65801555

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 73517, 367585, 1396823, 2279027, 6984115, 11395135, 43301513, 216507565]

約数ペア:

[(1, 216507565), (5, 43301513), (19, 11395135), (31, 6984115), (95, 2279027), (155, 1396823), (589, 367585), (2945, 73517)]