78176553

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1439}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 129024000

約数和(自身を除く): 50847447

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 597, 1393, 1439, 2587, 4179, 4317, 7761, 10073, 18109, 18707, 30219, 54327, 56121, 130949, 286361, 392847, 859083, 2004527, 3722693, 6013581, 11168079, 26058851, 78176553]

約数ペア:

[(1, 78176553), (3, 26058851), (7, 11168079), (13, 6013581), (21, 3722693), (39, 2004527), (91, 859083), (199, 392847), (273, 286361), (597, 130949), (1393, 56121), (1439, 54327), (2587, 30219), (4179, 18707), (4317, 18109), (7761, 10073)]