28156665212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{695089}}^1$

素因数の和:695166

約数の個数: 48

約数和(自身を含む): 57219808800

約数和(自身を除く): 29063143588

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 494, 533, 779, 988, 1066, 1558, 2132, 3116, 10127, 20254, 40508, 695089, 1390178, 2780356, 9036157, 13206691, 18072314, 26413382, 28498649, 36144628, 52826764, 56997298, 113994596, 171686983, 343373966, 370482437, 541474331, 686747932, 740964874, 1082948662, 1481929748, 2165897324, 7039166303, 14078332606, 28156665212]

約数ペア:

[(1, 28156665212), (2, 14078332606), (4, 7039166303), (13, 2165897324), (19, 1481929748), (26, 1082948662), (38, 740964874), (41, 686747932), (52, 541474331), (76, 370482437), (82, 343373966), (164, 171686983), (247, 113994596), (494, 56997298), (533, 52826764), (779, 36144628), (988, 28498649), (1066, 26413382), (1558, 18072314), (2132, 13206691), (3116, 9036157), (10127, 2780356), (20254, 1390178), (40508, 695089)]