639105364

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1063}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 1190488320

約数和(自身を除く): 551382956

約数列:

[1, 2, 4, 29, 58, 71, 73, 116, 142, 146, 284, 292, 1063, 2059, 2117, 2126, 4118, 4234, 4252, 5183, 8236, 8468, 10366, 20732, 30827, 61654, 75473, 77599, 123308, 150307, 150946, 155198, 300614, 301892, 310396, 601228, 2188717, 2250371, 4377434, 4500742, 5509529, 8754868, 9001484, 11019058, 22038116, 159776341, 319552682, 639105364]

約数ペア:

[(1, 639105364), (2, 319552682), (4, 159776341), (29, 22038116), (58, 11019058), (71, 9001484), (73, 8754868), (116, 5509529), (142, 4500742), (146, 4377434), (284, 2250371), (292, 2188717), (1063, 601228), (2059, 310396), (2117, 301892), (2126, 300614), (4118, 155198), (4234, 150946), (4252, 150307), (5183, 123308), (8236, 77599), (8468, 75473), (10366, 61654), (20732, 30827)]