642791864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 1476921600

約数和(自身を除く): 834129736

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 73, 86, 88, 104, 143, 146, 172, 179, 286, 292, 344, 358, 473, 559, 572, 584, 716, 803, 946, 949, 1118, 1144, 1432, 1606, 1892, 1898, 1969, 2236, 2327, 3139, 3212, 3784, 3796, 3938, 4472, 4654, 6149, 6278, 6424, 7592, 7697, 7876, 9308, 10439, 12298, 12556, 13067, 15394, 15752, 18616, 20878, 24596, 25112, 25597, 26134, 30788, 34529, 40807, 41756, 49192, 51194, 52268, 61576, 69058, 81614, 83512, 84667, 100061, 102388, 104536, 138116, 143737, 163228, 169334, 169871, 200122, 204776, 276232, 287474, 326456, 338668, 339742, 400244, 448877, 561881, 574948, 677336, 679484, 800488, 897754, 1100671, 1123762, 1149896, 1358968, 1795508, 1868581, 2201342, 2247524, 3591016, 3737162, 4402684, 4495048, 6180691, 7304453, 7474324, 8805368, 12361382, 14608906, 14948648, 24722764, 29217812, 49445528, 58435624, 80348983, 160697966, 321395932, 642791864]

約数ペア:

[(1, 642791864), (2, 321395932), (4, 160697966), (8, 80348983), (11, 58435624), (13, 49445528), (22, 29217812), (26, 24722764), (43, 14948648), (44, 14608906), (52, 12361382), (73, 8805368), (86, 7474324), (88, 7304453), (104, 6180691), (143, 4495048), (146, 4402684), (172, 3737162), (179, 3591016), (286, 2247524), (292, 2201342), (344, 1868581), (358, 1795508), (473, 1358968), (559, 1149896), (572, 1123762), (584, 1100671), (716, 897754), (803, 800488), (946, 679484), (949, 677336), (1118, 574948), (1144, 561881), (1432, 448877), (1606, 400244), (1892, 339742), (1898, 338668), (1969, 326456), (2236, 287474), (2327, 276232), (3139, 204776), (3212, 200122), (3784, 169871), (3796, 169334), (3938, 163228), (4472, 143737), (4654, 138116), (6149, 104536), (6278, 102388), (6424, 100061), (7592, 84667), (7697, 83512), (7876, 81614), (9308, 69058), (10439, 61576), (12298, 52268), (12556, 51194), (13067, 49192), (15394, 41756), (15752, 40807), (18616, 34529), (20878, 30788), (24596, 26134), (25112, 25597)]