4089085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 64

約数和(自身を含む): 7096320

約数和(自身を除く): 3007235

約数列:

[1, 5, 7, 11, 13, 19, 35, 43, 55, 65, 77, 91, 95, 133, 143, 209, 215, 247, 301, 385, 455, 473, 559, 665, 715, 817, 1001, 1045, 1235, 1463, 1505, 1729, 2365, 2717, 2795, 3311, 3913, 4085, 5005, 5719, 6149, 7315, 8645, 8987, 10621, 13585, 16555, 19019, 19565, 28595, 30745, 43043, 44935, 53105, 62909, 74347, 95095, 116831, 215215, 314545, 371735, 584155, 817817, 4089085]

約数ペア:

[(1, 4089085), (5, 817817), (7, 584155), (11, 371735), (13, 314545), (19, 215215), (35, 116831), (43, 95095), (55, 74347), (65, 62909), (77, 53105), (91, 44935), (95, 43043), (133, 30745), (143, 28595), (209, 19565), (215, 19019), (247, 16555), (301, 13585), (385, 10621), (455, 8987), (473, 8645), (559, 7315), (665, 6149), (715, 5719), (817, 5005), (1001, 4085), (1045, 3913), (1235, 3311), (1463, 2795), (1505, 2717), (1729, 2365)]