256384632

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2657

約数の個数: 128

約数和(自身を含む): 796262400

約数和(自身を除く): 539877768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 31, 38, 42, 56, 57, 62, 76, 84, 93, 114, 124, 133, 152, 168, 186, 217, 228, 248, 266, 372, 399, 434, 456, 532, 589, 651, 744, 798, 868, 1064, 1178, 1302, 1596, 1736, 1767, 2356, 2591, 2604, 3192, 3534, 4123, 4712, 5182, 5208, 7068, 7773, 8246, 10364, 12369, 14136, 15546, 16492, 18137, 20728, 24738, 31092, 32984, 36274, 49229, 49476, 54411, 62184, 72548, 80321, 98458, 98952, 108822, 145096, 147687, 160642, 196916, 217644, 240963, 295374, 321284, 344603, 393832, 435288, 481926, 562247, 590748, 642568, 689206, 963852, 1033809, 1124494, 1181496, 1378412, 1526099, 1686741, 1927704, 2067618, 2248988, 2756824, 3052198, 3373482, 4135236, 4497976, 4578297, 6104396, 6746964, 8270472, 9156594, 10682693, 12208792, 13493928, 18313188, 21365386, 32048079, 36626376, 42730772, 64096158, 85461544, 128192316, 256384632]

約数ペア:

[(1, 256384632), (2, 128192316), (3, 85461544), (4, 64096158), (6, 42730772), (7, 36626376), (8, 32048079), (12, 21365386), (14, 18313188), (19, 13493928), (21, 12208792), (24, 10682693), (28, 9156594), (31, 8270472), (38, 6746964), (42, 6104396), (56, 4578297), (57, 4497976), (62, 4135236), (76, 3373482), (84, 3052198), (93, 2756824), (114, 2248988), (124, 2067618), (133, 1927704), (152, 1686741), (168, 1526099), (186, 1378412), (217, 1181496), (228, 1124494), (248, 1033809), (266, 963852), (372, 689206), (399, 642568), (434, 590748), (456, 562247), (532, 481926), (589, 435288), (651, 393832), (744, 344603), (798, 321284), (868, 295374), (1064, 240963), (1178, 217644), (1302, 196916), (1596, 160642), (1736, 147687), (1767, 145096), (2356, 108822), (2591, 98952), (2604, 98458), (3192, 80321), (3534, 72548), (4123, 62184), (4712, 54411), (5182, 49476), (5208, 49229), (7068, 36274), (7773, 32984), (8246, 31092), (10364, 24738), (12369, 20728), (14136, 18137), (15546, 16492)]