1398688

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:520

約数の個数: 24

約数和(自身を含む): 2785860

約数和(自身を除く): 1387172

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 401, 436, 802, 872, 1604, 1744, 3208, 3488, 6416, 12832, 43709, 87418, 174836, 349672, 699344, 1398688]

約数ペア:

[(1, 1398688), (2, 699344), (4, 349672), (8, 174836), (16, 87418), (32, 43709), (109, 12832), (218, 6416), (401, 3488), (436, 3208), (802, 1744), (872, 1604)]