319606784

素因数分解:

$2^{12}\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 104

約数和(自身を含む): 745446528

約数和(自身を除く): 425839744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 157, 224, 256, 284, 314, 448, 497, 512, 568, 628, 896, 994, 1024, 1099, 1136, 1256, 1792, 1988, 2048, 2198, 2272, 2512, 3584, 3976, 4096, 4396, 4544, 5024, 7168, 7952, 8792, 9088, 10048, 11147, 14336, 15904, 17584, 18176, 20096, 22294, 28672, 31808, 35168, 36352, 40192, 44588, 63616, 70336, 72704, 78029, 80384, 89176, 127232, 140672, 145408, 156058, 160768, 178352, 254464, 281344, 290816, 312116, 321536, 356704, 508928, 562688, 624232, 643072, 713408, 1017856, 1125376, 1248464, 1426816, 2035712, 2250752, 2496928, 2853632, 4501504, 4993856, 5707264, 9987712, 11414528, 19975424, 22829056, 39950848, 45658112, 79901696, 159803392, 319606784]

約数ペア:

[(1, 319606784), (2, 159803392), (4, 79901696), (7, 45658112), (8, 39950848), (14, 22829056), (16, 19975424), (28, 11414528), (32, 9987712), (56, 5707264), (64, 4993856), (71, 4501504), (112, 2853632), (128, 2496928), (142, 2250752), (157, 2035712), (224, 1426816), (256, 1248464), (284, 1125376), (314, 1017856), (448, 713408), (497, 643072), (512, 624232), (568, 562688), (628, 508928), (896, 356704), (994, 321536), (1024, 312116), (1099, 290816), (1136, 281344), (1256, 254464), (1792, 178352), (1988, 160768), (2048, 156058), (2198, 145408), (2272, 140672), (2512, 127232), (3584, 89176), (3976, 80384), (4096, 78029), (4396, 72704), (4544, 70336), (5024, 63616), (7168, 44588), (7952, 40192), (8792, 36352), (9088, 35168), (10048, 31808), (11147, 28672), (14336, 22294), (15904, 20096), (17584, 18176)]