1997486239

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{22453}}^1$

素因数の和:22710

約数の個数: 16

約数和(自身を含む): 2328030720

約数和(自身を除く): 330544481

約数列:

[1, 7, 71, 179, 497, 1253, 12709, 22453, 88963, 157171, 1594163, 4019087, 11159141, 28133609, 285355177, 1997486239]

約数ペア:

[(1, 1997486239), (7, 285355177), (71, 28133609), (179, 11159141), (497, 4019087), (1253, 1594163), (12709, 157171), (22453, 88963)]