1997551872

素因数分解:

$2^8\times 3^2\times {\mathrm{61}}^2\times {\mathrm{233}}^1$

素因数の和:377

約数の個数: 162

約数和(自身を含む): 5880529746

約数和(自身を除く): 3882977874

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 96, 122, 128, 144, 183, 192, 233, 244, 256, 288, 366, 384, 466, 488, 549, 576, 699, 732, 768, 932, 976, 1098, 1152, 1398, 1464, 1864, 1952, 2097, 2196, 2304, 2796, 2928, 3721, 3728, 3904, 4194, 4392, 5592, 5856, 7442, 7456, 7808, 8388, 8784, 11163, 11184, 11712, 14213, 14884, 14912, 15616, 16776, 17568, 22326, 22368, 23424, 28426, 29768, 29824, 33489, 33552, 35136, 42639, 44652, 44736, 46848, 56852, 59536, 59648, 66978, 67104, 70272, 85278, 89304, 89472, 113704, 119072, 127917, 133956, 134208, 140544, 170556, 178608, 178944, 227408, 238144, 255834, 267912, 268416, 341112, 357216, 454816, 476288, 511668, 535824, 536832, 682224, 714432, 866993, 909632, 952576, 1023336, 1071648, 1364448, 1428864, 1733986, 1819264, 2046672, 2143296, 2600979, 2728896, 2857728, 3467972, 3638528, 4093344, 4286592, 5201958, 5457792, 6935944, 7802937, 8186688, 8573184, 10403916, 10915584, 13871888, 15605874, 16373376, 20807832, 27743776, 31211748, 32746752, 41615664, 55487552, 62423496, 83231328, 110975104, 124846992, 166462656, 221950208, 249693984, 332925312, 499387968, 665850624, 998775936, 1997551872]

約数ペア:

[(1, 1997551872), (2, 998775936), (3, 665850624), (4, 499387968), (6, 332925312), (8, 249693984), (9, 221950208), (12, 166462656), (16, 124846992), (18, 110975104), (24, 83231328), (32, 62423496), (36, 55487552), (48, 41615664), (61, 32746752), (64, 31211748), (72, 27743776), (96, 20807832), (122, 16373376), (128, 15605874), (144, 13871888), (183, 10915584), (192, 10403916), (233, 8573184), (244, 8186688), (256, 7802937), (288, 6935944), (366, 5457792), (384, 5201958), (466, 4286592), (488, 4093344), (549, 3638528), (576, 3467972), (699, 2857728), (732, 2728896), (768, 2600979), (932, 2143296), (976, 2046672), (1098, 1819264), (1152, 1733986), (1398, 1428864), (1464, 1364448), (1864, 1071648), (1952, 1023336), (2097, 952576), (2196, 909632), (2304, 866993), (2796, 714432), (2928, 682224), (3721, 536832), (3728, 535824), (3904, 511668), (4194, 476288), (4392, 454816), (5592, 357216), (5856, 341112), (7442, 268416), (7456, 267912), (7808, 255834), (8388, 238144), (8784, 227408), (11163, 178944), (11184, 178608), (11712, 170556), (14213, 140544), (14884, 134208), (14912, 133956), (15616, 127917), (16776, 119072), (17568, 113704), (22326, 89472), (22368, 89304), (23424, 85278), (28426, 70272), (29768, 67104), (29824, 66978), (33489, 59648), (33552, 59536), (35136, 56852), (42639, 46848), (44652, 44736)]