428047984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293989}}^1$

素因数の和:294017

約数の個数: 40

約数和(自身を含む): 1020733280

約数和(自身を除く): 592685296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 293989, 587978, 1175956, 2057923, 2351912, 3821857, 4115846, 4703824, 7643714, 8231692, 15287428, 16463384, 26752999, 30574856, 32926768, 53505998, 61149712, 107011996, 214023992, 428047984]

約数ペア:

[(1, 428047984), (2, 214023992), (4, 107011996), (7, 61149712), (8, 53505998), (13, 32926768), (14, 30574856), (16, 26752999), (26, 16463384), (28, 15287428), (52, 8231692), (56, 7643714), (91, 4703824), (104, 4115846), (112, 3821857), (182, 2351912), (208, 2057923), (364, 1175956), (728, 587978), (1456, 293989)]