221978624

素因数分解:

$2^{13}\times 7^3\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 112

約数和(自身を含む): 524256000

約数和(自身を除く): 302277376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 79, 98, 112, 128, 158, 196, 224, 256, 316, 343, 392, 448, 512, 553, 632, 686, 784, 896, 1024, 1106, 1264, 1372, 1568, 1792, 2048, 2212, 2528, 2744, 3136, 3584, 3871, 4096, 4424, 5056, 5488, 6272, 7168, 7742, 8192, 8848, 10112, 10976, 12544, 14336, 15484, 17696, 20224, 21952, 25088, 27097, 28672, 30968, 35392, 40448, 43904, 50176, 54194, 57344, 61936, 70784, 80896, 87808, 100352, 108388, 123872, 141568, 161792, 175616, 200704, 216776, 247744, 283136, 323584, 351232, 401408, 433552, 495488, 566272, 647168, 702464, 867104, 990976, 1132544, 1404928, 1734208, 1981952, 2265088, 2809856, 3468416, 3963904, 4530176, 6936832, 7927808, 13873664, 15855616, 27747328, 31711232, 55494656, 110989312, 221978624]

約数ペア:

[(1, 221978624), (2, 110989312), (4, 55494656), (7, 31711232), (8, 27747328), (14, 15855616), (16, 13873664), (28, 7927808), (32, 6936832), (49, 4530176), (56, 3963904), (64, 3468416), (79, 2809856), (98, 2265088), (112, 1981952), (128, 1734208), (158, 1404928), (196, 1132544), (224, 990976), (256, 867104), (316, 702464), (343, 647168), (392, 566272), (448, 495488), (512, 433552), (553, 401408), (632, 351232), (686, 323584), (784, 283136), (896, 247744), (1024, 216776), (1106, 200704), (1264, 175616), (1372, 161792), (1568, 141568), (1792, 123872), (2048, 108388), (2212, 100352), (2528, 87808), (2744, 80896), (3136, 70784), (3584, 61936), (3871, 57344), (4096, 54194), (4424, 50176), (5056, 43904), (5488, 40448), (6272, 35392), (7168, 30968), (7742, 28672), (8192, 27097), (8848, 25088), (10112, 21952), (10976, 20224), (12544, 17696), (14336, 15484)]