16405207

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4397}}^1$

素因数の和:4458

約数の個数: 16

約数和(自身を含む): 20688192

約数和(自身を除く): 4282985

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 4397, 30779, 57161, 180277, 400127, 1261939, 2343601, 16405207]

約数ペア:

[(1, 16405207), (7, 2343601), (13, 1261939), (41, 400127), (91, 180277), (287, 57161), (533, 30779), (3731, 4397)]