291264112

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{1279}}^1$

素因数の和:1661

約数の個数: 40

約数和(自身を含む): 579645440

約数和(自身を除く): 288381328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 331, 344, 662, 688, 1279, 1324, 2558, 2648, 5116, 5296, 10232, 14233, 20464, 28466, 54997, 56932, 109994, 113864, 219988, 227728, 423349, 439976, 846698, 879952, 1693396, 3386792, 6773584, 18204007, 36408014, 72816028, 145632056, 291264112]

約数ペア:

[(1, 291264112), (2, 145632056), (4, 72816028), (8, 36408014), (16, 18204007), (43, 6773584), (86, 3386792), (172, 1693396), (331, 879952), (344, 846698), (662, 439976), (688, 423349), (1279, 227728), (1324, 219988), (2558, 113864), (2648, 109994), (5116, 56932), (5296, 54997), (10232, 28466), (14233, 20464)]