163977281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{18911}}^1$

素因数の和:18976

約数の個数: 16

約数和(自身を含む): 190632960

約数和(自身を除く): 26655679

約数列:

[1, 13, 23, 29, 299, 377, 667, 8671, 18911, 245843, 434953, 548419, 5654389, 7129447, 12613637, 163977281]

約数ペア:

[(1, 163977281), (13, 12613637), (23, 7129447), (29, 5654389), (299, 548419), (377, 434953), (667, 245843), (8671, 18911)]