388261888

素因数分解:

$2^{11}\times 7^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 932726340

約数和(自身を除く): 544464452

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 73, 98, 106, 112, 128, 146, 196, 212, 224, 256, 292, 371, 392, 424, 448, 511, 512, 584, 742, 784, 848, 896, 1022, 1024, 1168, 1484, 1568, 1696, 1792, 2044, 2048, 2336, 2597, 2968, 3136, 3392, 3577, 3584, 3869, 4088, 4672, 5194, 5936, 6272, 6784, 7154, 7168, 7738, 8176, 9344, 10388, 11872, 12544, 13568, 14308, 14336, 15476, 16352, 18688, 20776, 23744, 25088, 27083, 27136, 28616, 30952, 32704, 37376, 41552, 47488, 50176, 54166, 54272, 57232, 61904, 65408, 74752, 83104, 94976, 100352, 108332, 108544, 114464, 123808, 130816, 149504, 166208, 189581, 189952, 216664, 228928, 247616, 261632, 332416, 379162, 379904, 433328, 457856, 495232, 523264, 664832, 758324, 759808, 866656, 915712, 990464, 1046528, 1329664, 1516648, 1733312, 1831424, 1980928, 2659328, 3033296, 3466624, 3662848, 3961856, 5318656, 6066592, 6933248, 7325696, 7923712, 12133184, 13866496, 24266368, 27732992, 48532736, 55465984, 97065472, 194130944, 388261888]

約数ペア:

[(1, 388261888), (2, 194130944), (4, 97065472), (7, 55465984), (8, 48532736), (14, 27732992), (16, 24266368), (28, 13866496), (32, 12133184), (49, 7923712), (53, 7325696), (56, 6933248), (64, 6066592), (73, 5318656), (98, 3961856), (106, 3662848), (112, 3466624), (128, 3033296), (146, 2659328), (196, 1980928), (212, 1831424), (224, 1733312), (256, 1516648), (292, 1329664), (371, 1046528), (392, 990464), (424, 915712), (448, 866656), (511, 759808), (512, 758324), (584, 664832), (742, 523264), (784, 495232), (848, 457856), (896, 433328), (1022, 379904), (1024, 379162), (1168, 332416), (1484, 261632), (1568, 247616), (1696, 228928), (1792, 216664), (2044, 189952), (2048, 189581), (2336, 166208), (2597, 149504), (2968, 130816), (3136, 123808), (3392, 114464), (3577, 108544), (3584, 108332), (3869, 100352), (4088, 94976), (4672, 83104), (5194, 74752), (5936, 65408), (6272, 61904), (6784, 57232), (7154, 54272), (7168, 54166), (7738, 50176), (8176, 47488), (9344, 41552), (10388, 37376), (11872, 32704), (12544, 30952), (13568, 28616), (14308, 27136), (14336, 27083), (15476, 25088), (16352, 23744), (18688, 20776)]