77871728

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 183061200

約数和(自身を除く): 105189472

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 29, 38, 44, 58, 73, 76, 88, 116, 121, 146, 152, 176, 209, 232, 242, 292, 304, 319, 418, 464, 484, 551, 584, 638, 803, 836, 968, 1102, 1168, 1276, 1387, 1606, 1672, 1936, 2117, 2204, 2299, 2552, 2774, 3212, 3344, 3509, 4234, 4408, 4598, 5104, 5548, 6061, 6424, 7018, 8468, 8816, 8833, 9196, 11096, 12122, 12848, 14036, 15257, 16936, 17666, 18392, 22192, 23287, 24244, 28072, 30514, 33872, 35332, 36784, 40223, 46574, 48488, 56144, 61028, 66671, 70664, 80446, 93148, 96976, 122056, 133342, 141328, 160892, 167827, 186296, 244112, 256157, 266684, 321784, 335654, 372592, 442453, 512314, 533368, 643568, 671308, 884906, 1024628, 1066736, 1342616, 1769812, 2049256, 2685232, 3539624, 4098512, 4866983, 7079248, 9733966, 19467932, 38935864, 77871728]

約数ペア:

[(1, 77871728), (2, 38935864), (4, 19467932), (8, 9733966), (11, 7079248), (16, 4866983), (19, 4098512), (22, 3539624), (29, 2685232), (38, 2049256), (44, 1769812), (58, 1342616), (73, 1066736), (76, 1024628), (88, 884906), (116, 671308), (121, 643568), (146, 533368), (152, 512314), (176, 442453), (209, 372592), (232, 335654), (242, 321784), (292, 266684), (304, 256157), (319, 244112), (418, 186296), (464, 167827), (484, 160892), (551, 141328), (584, 133342), (638, 122056), (803, 96976), (836, 93148), (968, 80446), (1102, 70664), (1168, 66671), (1276, 61028), (1387, 56144), (1606, 48488), (1672, 46574), (1936, 40223), (2117, 36784), (2204, 35332), (2299, 33872), (2552, 30514), (2774, 28072), (3212, 24244), (3344, 23287), (3509, 22192), (4234, 18392), (4408, 17666), (4598, 16936), (5104, 15257), (5548, 14036), (6061, 12848), (6424, 12122), (7018, 11096), (8468, 9196), (8816, 8833)]