78016688

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{54787}}^1$

素因数の和:54884

約数の個数: 20

約数和(自身を含む): 152858520

約数和(自身を除く): 74841832

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 54787, 109574, 219148, 438296, 876592, 4876043, 9752086, 19504172, 39008344, 78016688]

約数ペア:

[(1, 78016688), (2, 39008344), (4, 19504172), (8, 9752086), (16, 4876043), (89, 876592), (178, 438296), (356, 219148), (712, 109574), (1424, 54787)]