17829889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 24074496

約数和(自身を除く): 6244607

約数列:

[1, 7, 11, 17, 53, 77, 119, 187, 257, 371, 583, 901, 1309, 1799, 2827, 4081, 4369, 6307, 9911, 13621, 19789, 30583, 48059, 69377, 95347, 149831, 231557, 336413, 1048817, 1620899, 2547127, 17829889]

約数ペア:

[(1, 17829889), (7, 2547127), (11, 1620899), (17, 1048817), (53, 336413), (77, 231557), (119, 149831), (187, 95347), (257, 69377), (371, 48059), (583, 30583), (901, 19789), (1309, 13621), (1799, 9911), (2827, 6307), (4081, 4369)]