203429525

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:666

約数の個数: 36

約数和(自身を含む): 276728940

約数和(自身を除く): 73299415

約数列:

[1, 5, 13, 25, 65, 89, 169, 325, 445, 541, 845, 1157, 2225, 2705, 4225, 5785, 7033, 13525, 15041, 28925, 35165, 48149, 75205, 91429, 175825, 240745, 376025, 457145, 625937, 1203725, 2285725, 3129685, 8137181, 15648425, 40685905, 203429525]

約数ペア:

[(1, 203429525), (5, 40685905), (13, 15648425), (25, 8137181), (65, 3129685), (89, 2285725), (169, 1203725), (325, 625937), (445, 457145), (541, 376025), (845, 240745), (1157, 175825), (2225, 91429), (2705, 75205), (4225, 48149), (5785, 35165), (7033, 28925), (13525, 15041)]