181779455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2621}}^1$

素因数の和:2747

約数の個数: 32

約数和(自身を含む): 259011648

約数和(自身を除く): 77232193

約数列:

[1, 5, 11, 13, 55, 65, 97, 143, 485, 715, 1067, 1261, 2621, 5335, 6305, 13105, 13871, 28831, 34073, 69355, 144155, 170365, 254237, 374803, 1271185, 1874015, 2796607, 3305081, 13983035, 16525405, 36355891, 181779455]

約数ペア:

[(1, 181779455), (5, 36355891), (11, 16525405), (13, 13983035), (55, 3305081), (65, 2796607), (97, 1874015), (143, 1271185), (485, 374803), (715, 254237), (1067, 170365), (1261, 144155), (2621, 69355), (5335, 34073), (6305, 28831), (13105, 13871)]