138570341

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49121}}^1$

素因数の和:49172

約数の個数: 16

約数和(自身を含む): 176053248

約数和(自身を除く): 37482907

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 49121, 343847, 638573, 1522751, 4470011, 10659257, 19795763, 138570341]

約数ペア:

[(1, 138570341), (7, 19795763), (13, 10659257), (31, 4470011), (91, 1522751), (217, 638573), (403, 343847), (2821, 49121)]