254155525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 362883024

約数和(自身を除く): 108727499

約数列:

[1, 5, 13, 17, 25, 65, 85, 157, 221, 293, 325, 425, 785, 1105, 1465, 2041, 2669, 3809, 3925, 4981, 5525, 7325, 10205, 13345, 19045, 24905, 34697, 46001, 51025, 64753, 66725, 95225, 124525, 173485, 230005, 323765, 598013, 782017, 867425, 1150025, 1618825, 2990065, 3910085, 10166221, 14950325, 19550425, 50831105, 254155525]

約数ペア:

[(1, 254155525), (5, 50831105), (13, 19550425), (17, 14950325), (25, 10166221), (65, 3910085), (85, 2990065), (157, 1618825), (221, 1150025), (293, 867425), (325, 782017), (425, 598013), (785, 323765), (1105, 230005), (1465, 173485), (2041, 124525), (2669, 95225), (3809, 66725), (3925, 64753), (4981, 51025), (5525, 46001), (7325, 34697), (10205, 24905), (13345, 19045)]