208865904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{334721}}^1$

素因数の和:334745

約数の個数: 40

約数和(自身を含む): 581077392

約数和(自身を除く): 372211488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 334721, 669442, 1004163, 1338884, 2008326, 2677768, 4016652, 4351373, 5355536, 8033304, 8702746, 13054119, 16066608, 17405492, 26108238, 34810984, 52216476, 69621968, 104432952, 208865904]

約数ペア:

[(1, 208865904), (2, 104432952), (3, 69621968), (4, 52216476), (6, 34810984), (8, 26108238), (12, 17405492), (13, 16066608), (16, 13054119), (24, 8702746), (26, 8033304), (39, 5355536), (48, 4351373), (52, 4016652), (78, 2677768), (104, 2008326), (156, 1338884), (208, 1004163), (312, 669442), (624, 334721)]