1331968

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 54

約数和(自身を含む): 2990372

約数和(自身を除く): 1658404

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 121, 128, 172, 176, 242, 256, 344, 352, 473, 484, 688, 704, 946, 968, 1376, 1408, 1892, 1936, 2752, 2816, 3784, 3872, 5203, 5504, 7568, 7744, 10406, 11008, 15136, 15488, 20812, 30272, 30976, 41624, 60544, 83248, 121088, 166496, 332992, 665984, 1331968]

約数ペア:

[(1, 1331968), (2, 665984), (4, 332992), (8, 166496), (11, 121088), (16, 83248), (22, 60544), (32, 41624), (43, 30976), (44, 30272), (64, 20812), (86, 15488), (88, 15136), (121, 11008), (128, 10406), (172, 7744), (176, 7568), (242, 5504), (256, 5203), (344, 3872), (352, 3784), (473, 2816), (484, 2752), (688, 1936), (704, 1892), (946, 1408), (968, 1376)]