212996968

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{649381}}^1$

素因数の和:649428

約数の個数: 16

約数和(自身を含む): 409110660

約数和(自身を除く): 196113692

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 649381, 1298762, 2597524, 5195048, 26624621, 53249242, 106498484, 212996968]

約数ペア:

[(1, 212996968), (2, 106498484), (4, 53249242), (8, 26624621), (41, 5195048), (82, 2597524), (164, 1298762), (328, 649381)]