81463745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 113861376

約数和(自身を除く): 32397631

約数列:

[1, 5, 11, 17, 55, 85, 151, 187, 577, 755, 935, 1661, 2567, 2885, 6347, 8305, 9809, 12835, 28237, 31735, 49045, 87127, 107899, 141185, 435635, 539495, 958397, 1481159, 4791985, 7405795, 16292749, 81463745]

約数ペア:

[(1, 81463745), (5, 16292749), (11, 7405795), (17, 4791985), (55, 1481159), (85, 958397), (151, 539495), (187, 435635), (577, 141185), (755, 107899), (935, 87127), (1661, 49045), (2567, 31735), (2885, 28237), (6347, 12835), (8305, 9809)]