253617847

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 305142656

約数和(自身を除く): 51524809

約数列:

[1, 7, 29, 67, 203, 469, 643, 841, 1943, 4501, 5887, 13601, 18647, 43081, 56347, 130529, 301567, 394429, 540763, 1249349, 3785341, 8745443, 36231121, 253617847]

約数ペア:

[(1, 253617847), (7, 36231121), (29, 8745443), (67, 3785341), (203, 1249349), (469, 540763), (643, 394429), (841, 301567), (1943, 130529), (4501, 56347), (5887, 43081), (13601, 18647)]