2081888

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 4490640

約数和(自身を除く): 2408752

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 68, 86, 89, 136, 172, 178, 272, 344, 356, 544, 688, 712, 731, 1376, 1424, 1462, 1513, 2848, 2924, 3026, 3827, 5848, 6052, 7654, 11696, 12104, 15308, 23392, 24208, 30616, 48416, 61232, 65059, 122464, 130118, 260236, 520472, 1040944, 2081888]

約数ペア:

[(1, 2081888), (2, 1040944), (4, 520472), (8, 260236), (16, 130118), (17, 122464), (32, 65059), (34, 61232), (43, 48416), (68, 30616), (86, 24208), (89, 23392), (136, 15308), (172, 12104), (178, 11696), (272, 7654), (344, 6052), (356, 5848), (544, 3827), (688, 3026), (712, 2924), (731, 2848), (1376, 1513), (1424, 1462)]