49487425

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 71714160

約数和(自身を除く): 22226735

約数列:

[1, 5, 13, 17, 25, 53, 65, 85, 169, 221, 265, 325, 425, 689, 845, 901, 1105, 1325, 2197, 2873, 3445, 4225, 4505, 5525, 8957, 10985, 11713, 14365, 17225, 22525, 37349, 44785, 54925, 58565, 71825, 116441, 152269, 186745, 223925, 292825, 582205, 761345, 933725, 1979497, 2911025, 3806725, 9897485, 49487425]

約数ペア:

[(1, 49487425), (5, 9897485), (13, 3806725), (17, 2911025), (25, 1979497), (53, 933725), (65, 761345), (85, 582205), (169, 292825), (221, 223925), (265, 186745), (325, 152269), (425, 116441), (689, 71825), (845, 58565), (901, 54925), (1105, 44785), (1325, 37349), (2197, 22525), (2873, 17225), (3445, 14365), (4225, 11713), (4505, 10985), (5525, 8957)]