1988675584

素因数分解:

$2^{11}\times 7^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 192

約数和(自身を含む): 4914000000

約数和(自身を除く): 2925324416

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 149, 152, 196, 224, 256, 266, 298, 304, 343, 392, 448, 512, 532, 596, 608, 686, 784, 896, 931, 1024, 1043, 1064, 1192, 1216, 1372, 1568, 1792, 1862, 2048, 2086, 2128, 2384, 2432, 2744, 2831, 3136, 3584, 3724, 4172, 4256, 4768, 4864, 5488, 5662, 6272, 6517, 7168, 7301, 7448, 8344, 8512, 9536, 9728, 10976, 11324, 12544, 13034, 14336, 14602, 14896, 16688, 17024, 19072, 19456, 19817, 21952, 22648, 25088, 26068, 29204, 29792, 33376, 34048, 38144, 38912, 39634, 43904, 45296, 50176, 51107, 52136, 58408, 59584, 66752, 68096, 76288, 79268, 87808, 90592, 100352, 102214, 104272, 116816, 119168, 133504, 136192, 138719, 152576, 158536, 175616, 181184, 204428, 208544, 233632, 238336, 267008, 272384, 277438, 305152, 317072, 351232, 362368, 408856, 417088, 467264, 476672, 534016, 554876, 634144, 702464, 724736, 817712, 834176, 934528, 953344, 971033, 1068032, 1109752, 1268288, 1449472, 1635424, 1668352, 1869056, 1906688, 1942066, 2136064, 2219504, 2536576, 2898944, 3270848, 3336704, 3738112, 3884132, 4439008, 5073152, 5797888, 6541696, 6673408, 7476224, 7768264, 8878016, 10146304, 13083392, 13346816, 14952448, 15536528, 17756032, 20292608, 26166784, 31073056, 35512064, 40585216, 52333568, 62146112, 71024128, 104667136, 124292224, 142048256, 248584448, 284096512, 497168896, 994337792, 1988675584]

約数ペア:

[(1, 1988675584), (2, 994337792), (4, 497168896), (7, 284096512), (8, 248584448), (14, 142048256), (16, 124292224), (19, 104667136), (28, 71024128), (32, 62146112), (38, 52333568), (49, 40585216), (56, 35512064), (64, 31073056), (76, 26166784), (98, 20292608), (112, 17756032), (128, 15536528), (133, 14952448), (149, 13346816), (152, 13083392), (196, 10146304), (224, 8878016), (256, 7768264), (266, 7476224), (298, 6673408), (304, 6541696), (343, 5797888), (392, 5073152), (448, 4439008), (512, 3884132), (532, 3738112), (596, 3336704), (608, 3270848), (686, 2898944), (784, 2536576), (896, 2219504), (931, 2136064), (1024, 1942066), (1043, 1906688), (1064, 1869056), (1192, 1668352), (1216, 1635424), (1372, 1449472), (1568, 1268288), (1792, 1109752), (1862, 1068032), (2048, 971033), (2086, 953344), (2128, 934528), (2384, 834176), (2432, 817712), (2744, 724736), (2831, 702464), (3136, 634144), (3584, 554876), (3724, 534016), (4172, 476672), (4256, 467264), (4768, 417088), (4864, 408856), (5488, 362368), (5662, 351232), (6272, 317072), (6517, 305152), (7168, 277438), (7301, 272384), (7448, 267008), (8344, 238336), (8512, 233632), (9536, 208544), (9728, 204428), (10976, 181184), (11324, 175616), (12544, 158536), (13034, 152576), (14336, 138719), (14602, 136192), (14896, 133504), (16688, 119168), (17024, 116816), (19072, 104272), (19456, 102214), (19817, 100352), (21952, 90592), (22648, 87808), (25088, 79268), (26068, 76288), (29204, 68096), (29792, 66752), (33376, 59584), (34048, 58408), (38144, 52136), (38912, 51107), (39634, 50176), (43904, 45296)]