1257695488

素因数分解:

$2^8\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2011}}^1$

素因数の和:2383

約数の個数: 72

約数和(自身を含む): 2878769600

約数和(自身を除く): 1621074112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 349, 448, 698, 896, 1396, 1792, 2011, 2443, 2792, 4022, 4886, 5584, 8044, 9772, 11168, 14077, 16088, 19544, 22336, 28154, 32176, 39088, 44672, 56308, 64352, 78176, 89344, 112616, 128704, 156352, 225232, 257408, 312704, 450464, 514816, 625408, 701839, 900928, 1403678, 1801856, 2807356, 3603712, 4912873, 5614712, 9825746, 11229424, 19651492, 22458848, 39302984, 44917696, 78605968, 89835392, 157211936, 179670784, 314423872, 628847744, 1257695488]

約数ペア:

[(1, 1257695488), (2, 628847744), (4, 314423872), (7, 179670784), (8, 157211936), (14, 89835392), (16, 78605968), (28, 44917696), (32, 39302984), (56, 22458848), (64, 19651492), (112, 11229424), (128, 9825746), (224, 5614712), (256, 4912873), (349, 3603712), (448, 2807356), (698, 1801856), (896, 1403678), (1396, 900928), (1792, 701839), (2011, 625408), (2443, 514816), (2792, 450464), (4022, 312704), (4886, 257408), (5584, 225232), (8044, 156352), (9772, 128704), (11168, 112616), (14077, 89344), (16088, 78176), (19544, 64352), (22336, 56308), (28154, 44672), (32176, 39088)]