168391072

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{661}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 350330400

約数和(自身を除く): 181939328

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 419, 608, 661, 838, 1322, 1676, 2644, 3352, 5288, 6704, 7961, 10576, 12559, 13408, 15922, 21152, 25118, 31844, 50236, 63688, 100472, 127376, 200944, 254752, 276959, 401888, 553918, 1107836, 2215672, 4431344, 5262221, 8862688, 10524442, 21048884, 42097768, 84195536, 168391072]

約数ペア:

[(1, 168391072), (2, 84195536), (4, 42097768), (8, 21048884), (16, 10524442), (19, 8862688), (32, 5262221), (38, 4431344), (76, 2215672), (152, 1107836), (304, 553918), (419, 401888), (608, 276959), (661, 254752), (838, 200944), (1322, 127376), (1676, 100472), (2644, 63688), (3352, 50236), (5288, 31844), (6704, 25118), (7961, 21152), (10576, 15922), (12559, 13408)]