209603128

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{70621}}^1$

素因数の和:70687

約数の個数: 32

約数和(自身を含む): 457630560

約数和(自身を除く): 248027432

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 70621, 141242, 282484, 494347, 564968, 988694, 1977388, 3742913, 3954776, 7485826, 14971652, 26200391, 29943304, 52400782, 104801564, 209603128]

約数ペア:

[(1, 209603128), (2, 104801564), (4, 52400782), (7, 29943304), (8, 26200391), (14, 14971652), (28, 7485826), (53, 3954776), (56, 3742913), (106, 1977388), (212, 988694), (371, 564968), (424, 494347), (742, 282484), (1484, 141242), (2968, 70621)]