131245394

素因数分解:

$2^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{20879}}^1$

素因数の和:21337

約数の個数: 16

約数和(自身を含む): 225504000

約数和(自身を除く): 94258606

約数列:

[1, 2, 7, 14, 449, 898, 3143, 6286, 20879, 41758, 146153, 292306, 9374671, 18749342, 65622697, 131245394]

約数ペア:

[(1, 131245394), (2, 65622697), (7, 18749342), (14, 9374671), (449, 292306), (898, 146153), (3143, 41758), (6286, 20879)]