220489648

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{194093}}^1$

素因数の和:194172

約数の個数: 20

約数和(自身を含む): 433217808

約数和(自身を除く): 212728160

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 194093, 388186, 776372, 1552744, 3105488, 13780603, 27561206, 55122412, 110244824, 220489648]

約数ペア:

[(1, 220489648), (2, 110244824), (4, 55122412), (8, 27561206), (16, 13780603), (71, 3105488), (142, 1552744), (284, 776372), (568, 388186), (1136, 194093)]