64404325

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 82418336

約数和(自身を除く): 18014011

約数列:

[1, 5, 25, 43, 181, 215, 331, 905, 1075, 1655, 4525, 7783, 8275, 14233, 38915, 59911, 71165, 194575, 299555, 355825, 1497775, 2576173, 12880865, 64404325]

約数ペア:

[(1, 64404325), (5, 12880865), (25, 2576173), (43, 1497775), (181, 355825), (215, 299555), (331, 194575), (905, 71165), (1075, 59911), (1655, 38915), (4525, 14233), (7783, 8275)]