405536225

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{1213}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 516639552

約数和(自身を除く): 111103327

約数列:

[1, 5, 25, 43, 215, 311, 1075, 1213, 1555, 6065, 7775, 13373, 30325, 52159, 66865, 260795, 334325, 377243, 1303975, 1886215, 9431075, 16221449, 81107245, 405536225]

約数ペア:

[(1, 405536225), (5, 81107245), (25, 16221449), (43, 9431075), (215, 1886215), (311, 1303975), (1075, 377243), (1213, 334325), (1555, 260795), (6065, 66865), (7775, 52159), (13373, 30325)]