81668384

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 199987200

約数和(自身を除く): 118318816

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 76, 112, 124, 133, 152, 217, 224, 248, 266, 304, 434, 496, 532, 589, 608, 619, 868, 992, 1064, 1178, 1238, 1736, 2128, 2356, 2476, 3472, 4123, 4256, 4333, 4712, 4952, 6944, 8246, 8666, 9424, 9904, 11761, 16492, 17332, 18848, 19189, 19808, 23522, 32984, 34664, 38378, 47044, 65968, 69328, 76756, 82327, 94088, 131936, 134323, 138656, 153512, 164654, 188176, 268646, 307024, 329308, 364591, 376352, 537292, 614048, 658616, 729182, 1074584, 1317232, 1458364, 2149168, 2552137, 2634464, 2916728, 4298336, 5104274, 5833456, 10208548, 11666912, 20417096, 40834192, 81668384]

約数ペア:

[(1, 81668384), (2, 40834192), (4, 20417096), (7, 11666912), (8, 10208548), (14, 5833456), (16, 5104274), (19, 4298336), (28, 2916728), (31, 2634464), (32, 2552137), (38, 2149168), (56, 1458364), (62, 1317232), (76, 1074584), (112, 729182), (124, 658616), (133, 614048), (152, 537292), (217, 376352), (224, 364591), (248, 329308), (266, 307024), (304, 268646), (434, 188176), (496, 164654), (532, 153512), (589, 138656), (608, 134323), (619, 131936), (868, 94088), (992, 82327), (1064, 76756), (1178, 69328), (1238, 65968), (1736, 47044), (2128, 38378), (2356, 34664), (2476, 32984), (3472, 23522), (4123, 19808), (4256, 19189), (4333, 18848), (4712, 17332), (4952, 16492), (6944, 11761), (8246, 9904), (8666, 9424)]