987991810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{13499}}^1$

素因数の和:14082

約数の個数: 32

約数和(自身を含む): 1918728000

約数和(自身を除く): 930736190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 563, 1126, 2815, 5630, 7319, 13499, 14638, 26998, 36595, 67495, 73190, 134990, 175487, 350974, 877435, 1754870, 7599937, 15199874, 37999685, 75999370, 98799181, 197598362, 493995905, 987991810]

約数ペア:

[(1, 987991810), (2, 493995905), (5, 197598362), (10, 98799181), (13, 75999370), (26, 37999685), (65, 15199874), (130, 7599937), (563, 1754870), (1126, 877435), (2815, 350974), (5630, 175487), (7319, 134990), (13499, 73190), (14638, 67495), (26998, 36595)]