211979488

素因数分解:

$2^5\times 7^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 120

約数和(自身を含む): 508213440

約数和(自身を除く): 296233952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 89, 98, 112, 124, 178, 196, 217, 224, 248, 343, 356, 392, 434, 496, 623, 686, 712, 784, 868, 992, 1246, 1372, 1424, 1519, 1568, 1736, 2401, 2492, 2744, 2759, 2848, 3038, 3472, 4361, 4802, 4984, 5488, 5518, 6076, 6944, 8722, 9604, 9968, 10633, 10976, 11036, 12152, 17444, 19208, 19313, 19936, 21266, 22072, 24304, 30527, 34888, 38416, 38626, 42532, 44144, 48608, 61054, 69776, 74431, 76832, 77252, 85064, 88288, 122108, 135191, 139552, 148862, 154504, 170128, 213689, 244216, 270382, 297724, 309008, 340256, 427378, 488432, 540764, 595448, 618016, 854756, 946337, 976864, 1081528, 1190896, 1709512, 1892674, 2163056, 2381792, 3419024, 3785348, 4326112, 6624359, 6838048, 7570696, 13248718, 15141392, 26497436, 30282784, 52994872, 105989744, 211979488]

約数ペア:

[(1, 211979488), (2, 105989744), (4, 52994872), (7, 30282784), (8, 26497436), (14, 15141392), (16, 13248718), (28, 7570696), (31, 6838048), (32, 6624359), (49, 4326112), (56, 3785348), (62, 3419024), (89, 2381792), (98, 2163056), (112, 1892674), (124, 1709512), (178, 1190896), (196, 1081528), (217, 976864), (224, 946337), (248, 854756), (343, 618016), (356, 595448), (392, 540764), (434, 488432), (496, 427378), (623, 340256), (686, 309008), (712, 297724), (784, 270382), (868, 244216), (992, 213689), (1246, 170128), (1372, 154504), (1424, 148862), (1519, 139552), (1568, 135191), (1736, 122108), (2401, 88288), (2492, 85064), (2744, 77252), (2759, 76832), (2848, 74431), (3038, 69776), (3472, 61054), (4361, 48608), (4802, 44144), (4984, 42532), (5488, 38626), (5518, 38416), (6076, 34888), (6944, 30527), (8722, 24304), (9604, 22072), (9968, 21266), (10633, 19936), (10976, 19313), (11036, 19208), (12152, 17444)]