128341730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{16433}}^1$

素因数の和:16522

約数の個数: 32

約数和(自身を含む): 255581568

約数和(自身を除く): 127239838

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 16433, 32866, 82165, 164330, 180763, 361526, 903815, 1166743, 1807630, 2333486, 5833715, 11667430, 12834173, 25668346, 64170865, 128341730]

約数ペア:

[(1, 128341730), (2, 64170865), (5, 25668346), (10, 12834173), (11, 11667430), (22, 5833715), (55, 2333486), (71, 1807630), (110, 1166743), (142, 903815), (355, 361526), (710, 180763), (781, 164330), (1562, 82165), (3905, 32866), (7810, 16433)]