667028944

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{2027}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 1311175008

約数和(自身を除く): 644146064

約数列:

[1, 2, 4, 8, 16, 131, 157, 262, 314, 524, 628, 1048, 1256, 2027, 2096, 2512, 4054, 8108, 16216, 20567, 32432, 41134, 82268, 164536, 265537, 318239, 329072, 531074, 636478, 1062148, 1272956, 2124296, 2545912, 4248592, 5091824, 41689309, 83378618, 166757236, 333514472, 667028944]

約数ペア:

[(1, 667028944), (2, 333514472), (4, 166757236), (8, 83378618), (16, 41689309), (131, 5091824), (157, 4248592), (262, 2545912), (314, 2124296), (524, 1272956), (628, 1062148), (1048, 636478), (1256, 531074), (2027, 329072), (2096, 318239), (2512, 265537), (4054, 164536), (8108, 82268), (16216, 41134), (20567, 32432)]