81977384

素因数分解:

$2^3\times {\mathrm{823}}^1\times {\mathrm{12451}}^1$

素因数の和:13280

約数の個数: 16

約数和(自身を含む): 153906720

約数和(自身を除く): 71929336

約数列:

[1, 2, 4, 8, 823, 1646, 3292, 6584, 12451, 24902, 49804, 99608, 10247173, 20494346, 40988692, 81977384]

約数ペア:

[(1, 81977384), (2, 40988692), (4, 20494346), (8, 10247173), (823, 99608), (1646, 49804), (3292, 24902), (6584, 12451)]