2002790405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{71261}}^1$

素因数の和:71357

約数の個数: 32

約数和(自身を含む): 3037471488

約数和(自身を除く): 1034681083

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 511, 803, 2555, 4015, 5621, 28105, 71261, 356305, 498827, 783871, 2494135, 3919355, 5202053, 5487097, 26010265, 27435485, 36414371, 57222583, 182071855, 286112915, 400558081, 2002790405]

約数ペア:

[(1, 2002790405), (5, 400558081), (7, 286112915), (11, 182071855), (35, 57222583), (55, 36414371), (73, 27435485), (77, 26010265), (365, 5487097), (385, 5202053), (511, 3919355), (803, 2494135), (2555, 783871), (4015, 498827), (5621, 356305), (28105, 71261)]