209989585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{38923}}^1$

素因数の和:39024

約数の個数: 16

約数和(自身を含む): 274647744

約数和(自身を除く): 64658159

約数列:

[1, 5, 13, 65, 83, 415, 1079, 5395, 38923, 194615, 505999, 2529995, 3230609, 16153045, 41997917, 209989585]

約数ペア:

[(1, 209989585), (5, 41997917), (13, 16153045), (65, 3230609), (83, 2529995), (415, 505999), (1079, 194615), (5395, 38923)]