1323392

素因数分解:

$2^7\times 7^2\times {\mathrm{211}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 3081420

約数和(自身を除く): 1758028

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 211, 224, 392, 422, 448, 784, 844, 896, 1477, 1568, 1688, 2954, 3136, 3376, 5908, 6272, 6752, 10339, 11816, 13504, 20678, 23632, 27008, 41356, 47264, 82712, 94528, 165424, 189056, 330848, 661696, 1323392]

約数ペア:

[(1, 1323392), (2, 661696), (4, 330848), (7, 189056), (8, 165424), (14, 94528), (16, 82712), (28, 47264), (32, 41356), (49, 27008), (56, 23632), (64, 20678), (98, 13504), (112, 11816), (128, 10339), (196, 6752), (211, 6272), (224, 5908), (392, 3376), (422, 3136), (448, 2954), (784, 1688), (844, 1568), (896, 1477)]