38520725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 50923080

約数和(自身を除く): 12402355

約数列:

[1, 5, 17, 25, 85, 233, 389, 425, 1165, 1945, 3961, 5825, 6613, 9725, 19805, 33065, 90637, 99025, 165325, 453185, 1540829, 2265925, 7704145, 38520725]

約数ペア:

[(1, 38520725), (5, 7704145), (17, 2265925), (25, 1540829), (85, 453185), (233, 165325), (389, 99025), (425, 90637), (1165, 33065), (1945, 19805), (3961, 9725), (5825, 6613)]