425645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 16

約数和(自身を含む): 570240

約数和(自身を除く): 144595

約数列:

[1, 5, 11, 55, 71, 109, 355, 545, 781, 1199, 3905, 5995, 7739, 38695, 85129, 425645]

約数ペア:

[(1, 425645), (5, 85129), (11, 38695), (55, 7739), (71, 5995), (109, 3905), (355, 1199), (545, 781)]