1408400042

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20443}}^1$

素因数の和:20515

約数の個数: 48

約数和(自身を含む): 2656902240

約数和(自身を除く): 1248502198

約数列:

[1, 2, 7, 14, 19, 37, 38, 49, 74, 98, 133, 259, 266, 518, 703, 931, 1406, 1813, 1862, 3626, 4921, 9842, 20443, 34447, 40886, 68894, 143101, 286202, 388417, 756391, 776834, 1001707, 1512782, 2003414, 2718919, 5294737, 5437838, 10589474, 14371429, 19032433, 28742858, 37063159, 38064866, 74126318, 100600003, 201200006, 704200021, 1408400042]

約数ペア:

[(1, 1408400042), (2, 704200021), (7, 201200006), (14, 100600003), (19, 74126318), (37, 38064866), (38, 37063159), (49, 28742858), (74, 19032433), (98, 14371429), (133, 10589474), (259, 5437838), (266, 5294737), (518, 2718919), (703, 2003414), (931, 1512782), (1406, 1001707), (1813, 776834), (1862, 756391), (3626, 388417), (4921, 286202), (9842, 143101), (20443, 68894), (34447, 40886)]