27657838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20071}}^1$

素因数の和:20139

約数の個数: 16

約数和(自身を含む): 45523296

約数和(自身を除く): 17865458

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20071, 40142, 260923, 521846, 1063763, 2127526, 13828919, 27657838]

約数ペア:

[(1, 27657838), (2, 13828919), (13, 2127526), (26, 1063763), (53, 521846), (106, 260923), (689, 40142), (1378, 20071)]