209486368

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 530893440

約数和(自身を除く): 321407072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 49, 52, 56, 86, 91, 98, 104, 112, 172, 182, 196, 208, 224, 239, 301, 344, 364, 392, 416, 478, 559, 602, 637, 688, 728, 784, 956, 1118, 1204, 1274, 1376, 1456, 1568, 1673, 1912, 2107, 2236, 2408, 2548, 2912, 3107, 3346, 3824, 3913, 4214, 4472, 4816, 5096, 6214, 6692, 7648, 7826, 8428, 8944, 9632, 10192, 10277, 11711, 12428, 13384, 15652, 16856, 17888, 20384, 20554, 21749, 23422, 24856, 26768, 27391, 31304, 33712, 41108, 43498, 46844, 49712, 53536, 54782, 62608, 67424, 71939, 82216, 86996, 93688, 99424, 109564, 125216, 133601, 143878, 152243, 164432, 173992, 187376, 219128, 267202, 287756, 304486, 328864, 347984, 374752, 438256, 503573, 534404, 575512, 608972, 695968, 876512, 935207, 1007146, 1068808, 1151024, 1217944, 1870414, 2014292, 2137616, 2302048, 2435888, 3740828, 4028584, 4275232, 4871776, 6546449, 7481656, 8057168, 13092898, 14963312, 16114336, 26185796, 29926624, 52371592, 104743184, 209486368]

約数ペア:

[(1, 209486368), (2, 104743184), (4, 52371592), (7, 29926624), (8, 26185796), (13, 16114336), (14, 14963312), (16, 13092898), (26, 8057168), (28, 7481656), (32, 6546449), (43, 4871776), (49, 4275232), (52, 4028584), (56, 3740828), (86, 2435888), (91, 2302048), (98, 2137616), (104, 2014292), (112, 1870414), (172, 1217944), (182, 1151024), (196, 1068808), (208, 1007146), (224, 935207), (239, 876512), (301, 695968), (344, 608972), (364, 575512), (392, 534404), (416, 503573), (478, 438256), (559, 374752), (602, 347984), (637, 328864), (688, 304486), (728, 287756), (784, 267202), (956, 219128), (1118, 187376), (1204, 173992), (1274, 164432), (1376, 152243), (1456, 143878), (1568, 133601), (1673, 125216), (1912, 109564), (2107, 99424), (2236, 93688), (2408, 86996), (2548, 82216), (2912, 71939), (3107, 67424), (3346, 62608), (3824, 54782), (3913, 53536), (4214, 49712), (4472, 46844), (4816, 43498), (5096, 41108), (6214, 33712), (6692, 31304), (7648, 27391), (7826, 26768), (8428, 24856), (8944, 23422), (9632, 21749), (10192, 20554), (10277, 20384), (11711, 17888), (12428, 16856), (13384, 15652)]