281391712

素因数分解:

$2^5\times 7^3\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:889

約数の個数: 96

約数和(自身を含む): 667699200

約数和(自身を除く): 386307488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 343, 392, 434, 496, 686, 784, 827, 868, 992, 1372, 1519, 1568, 1654, 1736, 2744, 3038, 3308, 3472, 5488, 5789, 6076, 6616, 6944, 10633, 10976, 11578, 12152, 13232, 21266, 23156, 24304, 25637, 26464, 40523, 42532, 46312, 48608, 51274, 81046, 85064, 92624, 102548, 162092, 170128, 179459, 185248, 205096, 283661, 324184, 340256, 358918, 410192, 567322, 648368, 717836, 820384, 1134644, 1256213, 1296736, 1435672, 2269288, 2512426, 2871344, 4538576, 5024852, 5742688, 8793491, 9077152, 10049704, 17586982, 20099408, 35173964, 40198816, 70347928, 140695856, 281391712]

約数ペア:

[(1, 281391712), (2, 140695856), (4, 70347928), (7, 40198816), (8, 35173964), (14, 20099408), (16, 17586982), (28, 10049704), (31, 9077152), (32, 8793491), (49, 5742688), (56, 5024852), (62, 4538576), (98, 2871344), (112, 2512426), (124, 2269288), (196, 1435672), (217, 1296736), (224, 1256213), (248, 1134644), (343, 820384), (392, 717836), (434, 648368), (496, 567322), (686, 410192), (784, 358918), (827, 340256), (868, 324184), (992, 283661), (1372, 205096), (1519, 185248), (1568, 179459), (1654, 170128), (1736, 162092), (2744, 102548), (3038, 92624), (3308, 85064), (3472, 81046), (5488, 51274), (5789, 48608), (6076, 46312), (6616, 42532), (6944, 40523), (10633, 26464), (10976, 25637), (11578, 24304), (12152, 23156), (13232, 21266)]