161426944

素因数分解:

$2^9\times 7^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:715

約数の個数: 80

約数和(自身を含む): 374270688

約数和(自身を除く): 212843744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 256, 292, 448, 511, 512, 584, 617, 896, 1022, 1168, 1234, 1792, 2044, 2336, 2468, 3584, 4088, 4319, 4672, 4936, 8176, 8638, 9344, 9872, 16352, 17276, 18688, 19744, 32704, 34552, 37376, 39488, 45041, 65408, 69104, 78976, 90082, 130816, 138208, 157952, 180164, 261632, 276416, 315287, 315904, 360328, 552832, 630574, 720656, 1105664, 1261148, 1441312, 2211328, 2522296, 2882624, 5044592, 5765248, 10089184, 11530496, 20178368, 23060992, 40356736, 80713472, 161426944]

約数ペア:

[(1, 161426944), (2, 80713472), (4, 40356736), (7, 23060992), (8, 20178368), (14, 11530496), (16, 10089184), (28, 5765248), (32, 5044592), (56, 2882624), (64, 2522296), (73, 2211328), (112, 1441312), (128, 1261148), (146, 1105664), (224, 720656), (256, 630574), (292, 552832), (448, 360328), (511, 315904), (512, 315287), (584, 276416), (617, 261632), (896, 180164), (1022, 157952), (1168, 138208), (1234, 130816), (1792, 90082), (2044, 78976), (2336, 69104), (2468, 65408), (3584, 45041), (4088, 39488), (4319, 37376), (4672, 34552), (4936, 32704), (8176, 19744), (8638, 18688), (9344, 17276), (9872, 16352)]