398547968

素因数分解:

$2^{10}\times 7^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 198

約数和(自身を含む): 1024908336

約数和(自身を除く): 626360368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 47, 49, 52, 56, 64, 91, 94, 98, 104, 112, 128, 169, 182, 188, 196, 208, 224, 256, 329, 338, 364, 376, 392, 416, 448, 512, 611, 637, 658, 676, 728, 752, 784, 832, 896, 1024, 1183, 1222, 1274, 1316, 1352, 1456, 1504, 1568, 1664, 1792, 2303, 2366, 2444, 2548, 2632, 2704, 2912, 3008, 3136, 3328, 3584, 4277, 4606, 4732, 4888, 5096, 5264, 5408, 5824, 6016, 6272, 6656, 7168, 7943, 8281, 8554, 9212, 9464, 9776, 10192, 10528, 10816, 11648, 12032, 12544, 13312, 15886, 16562, 17108, 18424, 18928, 19552, 20384, 21056, 21632, 23296, 24064, 25088, 29939, 31772, 33124, 34216, 36848, 37856, 39104, 40768, 42112, 43264, 46592, 48128, 50176, 55601, 59878, 63544, 66248, 68432, 73696, 75712, 78208, 81536, 84224, 86528, 93184, 111202, 119756, 127088, 132496, 136864, 147392, 151424, 156416, 163072, 168448, 173056, 222404, 239512, 254176, 264992, 273728, 294784, 302848, 312832, 326144, 336896, 389207, 444808, 479024, 508352, 529984, 547456, 589568, 605696, 625664, 652288, 778414, 889616, 958048, 1016704, 1059968, 1094912, 1179136, 1211392, 1556828, 1779232, 1916096, 2033408, 2119936, 2189824, 2358272, 3113656, 3558464, 3832192, 4066816, 4239872, 4379648, 6227312, 7116928, 7664384, 8133632, 8479744, 12454624, 14233856, 15328768, 24909248, 28467712, 30657536, 49818496, 56935424, 99636992, 199273984, 398547968]

約数ペア:

[(1, 398547968), (2, 199273984), (4, 99636992), (7, 56935424), (8, 49818496), (13, 30657536), (14, 28467712), (16, 24909248), (26, 15328768), (28, 14233856), (32, 12454624), (47, 8479744), (49, 8133632), (52, 7664384), (56, 7116928), (64, 6227312), (91, 4379648), (94, 4239872), (98, 4066816), (104, 3832192), (112, 3558464), (128, 3113656), (169, 2358272), (182, 2189824), (188, 2119936), (196, 2033408), (208, 1916096), (224, 1779232), (256, 1556828), (329, 1211392), (338, 1179136), (364, 1094912), (376, 1059968), (392, 1016704), (416, 958048), (448, 889616), (512, 778414), (611, 652288), (637, 625664), (658, 605696), (676, 589568), (728, 547456), (752, 529984), (784, 508352), (832, 479024), (896, 444808), (1024, 389207), (1183, 336896), (1222, 326144), (1274, 312832), (1316, 302848), (1352, 294784), (1456, 273728), (1504, 264992), (1568, 254176), (1664, 239512), (1792, 222404), (2303, 173056), (2366, 168448), (2444, 163072), (2548, 156416), (2632, 151424), (2704, 147392), (2912, 136864), (3008, 132496), (3136, 127088), (3328, 119756), (3584, 111202), (4277, 93184), (4606, 86528), (4732, 84224), (4888, 81536), (5096, 78208), (5264, 75712), (5408, 73696), (5824, 68432), (6016, 66248), (6272, 63544), (6656, 59878), (7168, 55601), (7943, 50176), (8281, 48128), (8554, 46592), (9212, 43264), (9464, 42112), (9776, 40768), (10192, 39104), (10528, 37856), (10816, 36848), (11648, 34216), (12032, 33124), (12544, 31772), (13312, 29939), (15886, 25088), (16562, 24064), (17108, 23296), (18424, 21632), (18928, 21056), (19552, 20384)]