28661878

素因数分解:

$2^1\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{1453}}^1$

素因数の和:2871

約数の個数: 16

約数和(自身を含む): 49203360

約数和(自身を除く): 20541482

約数列:

[1, 2, 7, 14, 1409, 1453, 2818, 2906, 9863, 10171, 19726, 20342, 2047277, 4094554, 14330939, 28661878]

約数ペア:

[(1, 28661878), (2, 14330939), (7, 4094554), (14, 2047277), (1409, 20342), (1453, 19726), (2818, 10171), (2906, 9863)]