681916928

素因数分解:

$2^9\times 7^3\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:403

約数の個数: 160

約数和(自身を含む): 1738281600

約数和(自身を除く): 1056364672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 308, 343, 352, 353, 392, 448, 512, 539, 616, 686, 704, 706, 784, 896, 1078, 1232, 1372, 1408, 1412, 1568, 1792, 2156, 2464, 2471, 2744, 2816, 2824, 3136, 3584, 3773, 3883, 4312, 4928, 4942, 5488, 5632, 5648, 6272, 7546, 7766, 8624, 9856, 9884, 10976, 11296, 12544, 15092, 15532, 17248, 17297, 19712, 19768, 21952, 22592, 25088, 27181, 30184, 31064, 34496, 34594, 39424, 39536, 43904, 45184, 54362, 60368, 62128, 68992, 69188, 79072, 87808, 90368, 108724, 120736, 121079, 124256, 137984, 138376, 158144, 175616, 180736, 190267, 217448, 241472, 242158, 248512, 275968, 276752, 316288, 380534, 434896, 482944, 484316, 497024, 553504, 632576, 761068, 869792, 965888, 968632, 994048, 1107008, 1265152, 1331869, 1522136, 1739584, 1931776, 1937264, 1988096, 2214016, 2663738, 3044272, 3479168, 3874528, 4428032, 5327476, 6088544, 6958336, 7749056, 8856064, 10654952, 12177088, 13916672, 15498112, 21309904, 24354176, 30996224, 42619808, 48708352, 61992448, 85239616, 97416704, 170479232, 340958464, 681916928]

約数ペア:

[(1, 681916928), (2, 340958464), (4, 170479232), (7, 97416704), (8, 85239616), (11, 61992448), (14, 48708352), (16, 42619808), (22, 30996224), (28, 24354176), (32, 21309904), (44, 15498112), (49, 13916672), (56, 12177088), (64, 10654952), (77, 8856064), (88, 7749056), (98, 6958336), (112, 6088544), (128, 5327476), (154, 4428032), (176, 3874528), (196, 3479168), (224, 3044272), (256, 2663738), (308, 2214016), (343, 1988096), (352, 1937264), (353, 1931776), (392, 1739584), (448, 1522136), (512, 1331869), (539, 1265152), (616, 1107008), (686, 994048), (704, 968632), (706, 965888), (784, 869792), (896, 761068), (1078, 632576), (1232, 553504), (1372, 497024), (1408, 484316), (1412, 482944), (1568, 434896), (1792, 380534), (2156, 316288), (2464, 276752), (2471, 275968), (2744, 248512), (2816, 242158), (2824, 241472), (3136, 217448), (3584, 190267), (3773, 180736), (3883, 175616), (4312, 158144), (4928, 138376), (4942, 137984), (5488, 124256), (5632, 121079), (5648, 120736), (6272, 108724), (7546, 90368), (7766, 87808), (8624, 79072), (9856, 69188), (9884, 68992), (10976, 62128), (11296, 60368), (12544, 54362), (15092, 45184), (15532, 43904), (17248, 39536), (17297, 39424), (19712, 34594), (19768, 34496), (21952, 31064), (22592, 30184), (25088, 27181)]