181894856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 433520640

約数和(自身を除く): 251625784

約数列:

[1, 2, 4, 8, 11, 13, 22, 23, 26, 31, 44, 46, 52, 62, 88, 92, 104, 124, 143, 184, 223, 248, 253, 286, 299, 341, 403, 446, 506, 572, 598, 682, 713, 806, 892, 1012, 1144, 1196, 1364, 1426, 1612, 1784, 2024, 2392, 2453, 2728, 2852, 2899, 3224, 3289, 4433, 4906, 5129, 5704, 5798, 6578, 6913, 7843, 8866, 9269, 9812, 10258, 11596, 13156, 13826, 15686, 17732, 18538, 19624, 20516, 23192, 26312, 27652, 31372, 31889, 35464, 37076, 41032, 55304, 56419, 62744, 63778, 66677, 74152, 76043, 89869, 101959, 112838, 127556, 133354, 152086, 158999, 179738, 203918, 225676, 255112, 266708, 304172, 317998, 359476, 407836, 451352, 533416, 608344, 635996, 718952, 733447, 815672, 988559, 1271992, 1466894, 1748989, 1977118, 2066987, 2933788, 3497978, 3954236, 4133974, 5867576, 6995956, 7908472, 8267948, 13991912, 16535896, 22736857, 45473714, 90947428, 181894856]

約数ペア:

[(1, 181894856), (2, 90947428), (4, 45473714), (8, 22736857), (11, 16535896), (13, 13991912), (22, 8267948), (23, 7908472), (26, 6995956), (31, 5867576), (44, 4133974), (46, 3954236), (52, 3497978), (62, 2933788), (88, 2066987), (92, 1977118), (104, 1748989), (124, 1466894), (143, 1271992), (184, 988559), (223, 815672), (248, 733447), (253, 718952), (286, 635996), (299, 608344), (341, 533416), (403, 451352), (446, 407836), (506, 359476), (572, 317998), (598, 304172), (682, 266708), (713, 255112), (806, 225676), (892, 203918), (1012, 179738), (1144, 158999), (1196, 152086), (1364, 133354), (1426, 127556), (1612, 112838), (1784, 101959), (2024, 89869), (2392, 76043), (2453, 74152), (2728, 66677), (2852, 63778), (2899, 62744), (3224, 56419), (3289, 55304), (4433, 41032), (4906, 37076), (5129, 35464), (5704, 31889), (5798, 31372), (6578, 27652), (6913, 26312), (7843, 23192), (8866, 20516), (9269, 19624), (9812, 18538), (10258, 17732), (11596, 15686), (13156, 13826)]