28291445

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4783}}^1$

素因数の和:4821

約数の個数: 24

約数和(自身を含む): 42022656

約数和(自身を除く): 13731211

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 4783, 5915, 23915, 33481, 62179, 167405, 310895, 435253, 808327, 2176265, 4041635, 5658289, 28291445]

約数ペア:

[(1, 28291445), (5, 5658289), (7, 4041635), (13, 2176265), (35, 808327), (65, 435253), (91, 310895), (169, 167405), (455, 62179), (845, 33481), (1183, 23915), (4783, 5915)]