28447601

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 35663040

約数和(自身を除く): 7215439

約数列:

[1, 7, 13, 91, 139, 169, 173, 973, 1183, 1211, 1807, 2249, 12649, 15743, 23491, 24047, 29237, 164437, 168329, 204659, 312611, 2188277, 4063943, 28447601]

約数ペア:

[(1, 28447601), (7, 4063943), (13, 2188277), (91, 312611), (139, 204659), (169, 168329), (173, 164437), (973, 29237), (1183, 24047), (1211, 23491), (1807, 15743), (2249, 12649)]