391707568

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 928226304

約数和(自身を除く): 536518736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 71, 98, 112, 124, 142, 196, 217, 227, 248, 284, 392, 434, 454, 496, 497, 568, 784, 868, 908, 994, 1136, 1519, 1589, 1736, 1816, 1988, 2201, 3038, 3178, 3472, 3479, 3632, 3976, 4402, 6076, 6356, 6958, 7037, 7952, 8804, 11123, 12152, 12712, 13916, 14074, 15407, 16117, 17608, 22246, 24304, 25424, 27832, 28148, 30814, 32234, 35216, 44492, 49259, 55664, 56296, 61628, 64468, 88984, 98518, 107849, 112592, 112819, 123256, 128936, 177968, 197036, 215698, 225638, 246512, 257872, 344813, 394072, 431396, 451276, 499627, 689626, 788144, 789733, 862792, 902552, 999254, 1379252, 1579466, 1725584, 1805104, 1998508, 2758504, 3158932, 3497389, 3997016, 5517008, 6317864, 6994778, 7994032, 12635728, 13989556, 24481723, 27979112, 48963446, 55958224, 97926892, 195853784, 391707568]

約数ペア:

[(1, 391707568), (2, 195853784), (4, 97926892), (7, 55958224), (8, 48963446), (14, 27979112), (16, 24481723), (28, 13989556), (31, 12635728), (49, 7994032), (56, 6994778), (62, 6317864), (71, 5517008), (98, 3997016), (112, 3497389), (124, 3158932), (142, 2758504), (196, 1998508), (217, 1805104), (227, 1725584), (248, 1579466), (284, 1379252), (392, 999254), (434, 902552), (454, 862792), (496, 789733), (497, 788144), (568, 689626), (784, 499627), (868, 451276), (908, 431396), (994, 394072), (1136, 344813), (1519, 257872), (1589, 246512), (1736, 225638), (1816, 215698), (1988, 197036), (2201, 177968), (3038, 128936), (3178, 123256), (3472, 112819), (3479, 112592), (3632, 107849), (3976, 98518), (4402, 88984), (6076, 64468), (6356, 61628), (6958, 56296), (7037, 55664), (7952, 49259), (8804, 44492), (11123, 35216), (12152, 32234), (12712, 30814), (13916, 28148), (14074, 27832), (15407, 25424), (16117, 24304), (17608, 22246)]