201756425

素因数分解:

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

素因数の和:159

約数の個数: 54

約数和(自身を含む): 292352382

約数和(自身を除く): 90595957

約数列:

[1, 5, 13, 17, 25, 53, 65, 85, 169, 221, 265, 325, 425, 689, 845, 901, 1105, 1325, 2809, 2873, 3445, 4225, 4505, 5525, 8957, 11713, 14045, 14365, 17225, 22525, 36517, 44785, 47753, 58565, 70225, 71825, 152269, 182585, 223925, 238765, 292825, 474721, 620789, 761345, 912925, 1193825, 2373605, 3103945, 3806725, 8070257, 11868025, 15519725, 40351285, 201756425]

約数ペア:

[(1, 201756425), (5, 40351285), (13, 15519725), (17, 11868025), (25, 8070257), (53, 3806725), (65, 3103945), (85, 2373605), (169, 1193825), (221, 912925), (265, 761345), (325, 620789), (425, 474721), (689, 292825), (845, 238765), (901, 223925), (1105, 182585), (1325, 152269), (2809, 71825), (2873, 70225), (3445, 58565), (4225, 47753), (4505, 44785), (5525, 36517), (8957, 22525), (11713, 17225), (14045, 14365)]