990976

素因数分解:

$2^8\times 7^2\times {\mathrm{79}}^1$

素因数の和:109

約数の個数: 54

約数和(自身を含む): 2330160

約数和(自身を除く): 1339184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 79, 98, 112, 128, 158, 196, 224, 256, 316, 392, 448, 553, 632, 784, 896, 1106, 1264, 1568, 1792, 2212, 2528, 3136, 3871, 4424, 5056, 6272, 7742, 8848, 10112, 12544, 15484, 17696, 20224, 30968, 35392, 61936, 70784, 123872, 141568, 247744, 495488, 990976]

約数ペア:

[(1, 990976), (2, 495488), (4, 247744), (7, 141568), (8, 123872), (14, 70784), (16, 61936), (28, 35392), (32, 30968), (49, 20224), (56, 17696), (64, 15484), (79, 12544), (98, 10112), (112, 8848), (128, 7742), (158, 6272), (196, 5056), (224, 4424), (256, 3871), (316, 3136), (392, 2528), (448, 2212), (553, 1792), (632, 1568), (784, 1264), (896, 1106)]