247906325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{1523}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 326550528

約数和(自身を除く): 78644203

約数列:

[1, 5, 17, 25, 85, 383, 425, 1523, 1915, 6511, 7615, 9575, 25891, 32555, 38075, 129455, 162775, 583309, 647275, 2916545, 9916253, 14582725, 49581265, 247906325]

約数ペア:

[(1, 247906325), (5, 49581265), (17, 14582725), (25, 9916253), (85, 2916545), (383, 647275), (425, 583309), (1523, 162775), (1915, 129455), (6511, 38075), (7615, 32555), (9575, 25891)]