12956405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 19692288

約数和(自身を除く): 6735883

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 461, 511, 803, 2305, 2555, 3227, 4015, 5071, 5621, 16135, 25355, 28105, 33653, 35497, 168265, 177485, 235571, 370183, 1177855, 1850915, 2591281, 12956405]

約数ペア:

[(1, 12956405), (5, 2591281), (7, 1850915), (11, 1177855), (35, 370183), (55, 235571), (73, 177485), (77, 168265), (365, 35497), (385, 33653), (461, 28105), (511, 25355), (803, 16135), (2305, 5621), (2555, 5071), (3227, 4015)]