1256373755

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{38891}}^1$

素因数の和:38987

約数の個数: 32

約数和(自身を含む): 1881750528

約数和(自身を除く): 625376773

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 923, 2485, 4615, 6461, 32305, 38891, 194455, 272237, 505583, 1361185, 2527915, 2761261, 3539081, 13806305, 17695405, 19328827, 35896393, 96644135, 179481965, 251274751, 1256373755]

約数ペア:

[(1, 1256373755), (5, 251274751), (7, 179481965), (13, 96644135), (35, 35896393), (65, 19328827), (71, 17695405), (91, 13806305), (355, 3539081), (455, 2761261), (497, 2527915), (923, 1361185), (2485, 505583), (4615, 272237), (6461, 194455), (32305, 38891)]