129999532

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{192307}}^1$

素因数の和:192337

約数の個数: 18

約数和(自身を含む): 246346548

約数和(自身を除く): 116347016

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 192307, 384614, 769228, 2499991, 4999982, 9999964, 32499883, 64999766, 129999532]

約数ペア:

[(1, 129999532), (2, 64999766), (4, 32499883), (13, 9999964), (26, 4999982), (52, 2499991), (169, 769228), (338, 384614), (676, 192307)]