28587776

素因数分解:

$2^8\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 108

約数和(自身を含む): 69205752

約数和(自身を除く): 40617976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 53, 56, 64, 86, 98, 106, 112, 128, 172, 196, 212, 224, 256, 301, 344, 371, 392, 424, 448, 602, 688, 742, 784, 848, 896, 1204, 1376, 1484, 1568, 1696, 1792, 2107, 2279, 2408, 2597, 2752, 2968, 3136, 3392, 4214, 4558, 4816, 5194, 5504, 5936, 6272, 6784, 8428, 9116, 9632, 10388, 11008, 11872, 12544, 13568, 15953, 16856, 18232, 19264, 20776, 23744, 31906, 33712, 36464, 38528, 41552, 47488, 63812, 67424, 72928, 77056, 83104, 94976, 111671, 127624, 134848, 145856, 166208, 223342, 255248, 269696, 291712, 332416, 446684, 510496, 539392, 583424, 664832, 893368, 1020992, 1786736, 2041984, 3573472, 4083968, 7146944, 14293888, 28587776]

約数ペア:

[(1, 28587776), (2, 14293888), (4, 7146944), (7, 4083968), (8, 3573472), (14, 2041984), (16, 1786736), (28, 1020992), (32, 893368), (43, 664832), (49, 583424), (53, 539392), (56, 510496), (64, 446684), (86, 332416), (98, 291712), (106, 269696), (112, 255248), (128, 223342), (172, 166208), (196, 145856), (212, 134848), (224, 127624), (256, 111671), (301, 94976), (344, 83104), (371, 77056), (392, 72928), (424, 67424), (448, 63812), (602, 47488), (688, 41552), (742, 38528), (784, 36464), (848, 33712), (896, 31906), (1204, 23744), (1376, 20776), (1484, 19264), (1568, 18232), (1696, 16856), (1792, 15953), (2107, 13568), (2279, 12544), (2408, 11872), (2597, 11008), (2752, 10388), (2968, 9632), (3136, 9116), (3392, 8428), (4214, 6784), (4558, 6272), (4816, 5936), (5194, 5504)]