86970725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4759}}^1$

素因数の和:4829

約数の個数: 24

約数和(自身を含む): 116867520

約数和(自身を除く): 29896795

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 4759, 18275, 23795, 80903, 118975, 204637, 404515, 1023185, 2022575, 3478829, 5115925, 17394145, 86970725]

約数ペア:

[(1, 86970725), (5, 17394145), (17, 5115925), (25, 3478829), (43, 2022575), (85, 1023185), (215, 404515), (425, 204637), (731, 118975), (1075, 80903), (3655, 23795), (4759, 18275)]