721292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 1506456

約数和(自身を除く): 785164

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 97, 143, 169, 194, 286, 338, 388, 572, 676, 1067, 1261, 1859, 2134, 2522, 3718, 4268, 5044, 7436, 13871, 16393, 27742, 32786, 55484, 65572, 180323, 360646, 721292]

約数ペア:

[(1, 721292), (2, 360646), (4, 180323), (11, 65572), (13, 55484), (22, 32786), (26, 27742), (44, 16393), (52, 13871), (97, 7436), (143, 5044), (169, 4268), (194, 3718), (286, 2522), (338, 2134), (388, 1859), (572, 1261), (676, 1067)]