408685328

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{367}}^1\times {\mathrm{881}}^1$

素因数の和:1335

約数の個数: 40

約数和(自身を含む): 804948480

約数和(自身を除く): 396263152

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 367, 632, 734, 881, 1264, 1468, 1762, 2936, 3524, 5872, 7048, 14096, 28993, 57986, 69599, 115972, 139198, 231944, 278396, 323327, 463888, 556792, 646654, 1113584, 1293308, 2586616, 5173232, 25542833, 51085666, 102171332, 204342664, 408685328]

約数ペア:

[(1, 408685328), (2, 204342664), (4, 102171332), (8, 51085666), (16, 25542833), (79, 5173232), (158, 2586616), (316, 1293308), (367, 1113584), (632, 646654), (734, 556792), (881, 463888), (1264, 323327), (1468, 278396), (1762, 231944), (2936, 139198), (3524, 115972), (5872, 69599), (7048, 57986), (14096, 28993)]