728108511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{18839}}^1$

素因数の和:19846

約数の個数: 16

約数和(自身を含む): 1046599680

約数和(自身を除く): 318491169

約数列:

[1, 3, 13, 39, 991, 2973, 12883, 18839, 38649, 56517, 244907, 734721, 18669449, 56008347, 242702837, 728108511]

約数ペア:

[(1, 728108511), (3, 242702837), (13, 56008347), (39, 18669449), (991, 734721), (2973, 244907), (12883, 56517), (18839, 38649)]