2947945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 64

約数和(自身を含む): 5160960

約数和(自身を除く): 2213015

約数列:

[1, 5, 7, 11, 13, 19, 31, 35, 55, 65, 77, 91, 95, 133, 143, 155, 209, 217, 247, 341, 385, 403, 455, 589, 665, 715, 1001, 1045, 1085, 1235, 1463, 1705, 1729, 2015, 2387, 2717, 2821, 2945, 4123, 4433, 5005, 6479, 7315, 7657, 8645, 11935, 13585, 14105, 19019, 20615, 22165, 31031, 32395, 38285, 45353, 53599, 84227, 95095, 155155, 226765, 267995, 421135, 589589, 2947945]

約数ペア:

[(1, 2947945), (5, 589589), (7, 421135), (11, 267995), (13, 226765), (19, 155155), (31, 95095), (35, 84227), (55, 53599), (65, 45353), (77, 38285), (91, 32395), (95, 31031), (133, 22165), (143, 20615), (155, 19019), (209, 14105), (217, 13585), (247, 11935), (341, 8645), (385, 7657), (403, 7315), (455, 6479), (589, 5005), (665, 4433), (715, 4123), (1001, 2945), (1045, 2821), (1085, 2717), (1235, 2387), (1463, 2015), (1705, 1729)]