28077378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{668509}}^1$

素因数の和:668521

約数の個数: 16

約数和(自身を含む): 64176960

約数和(自身を除く): 36099582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 668509, 1337018, 2005527, 4011054, 4679563, 9359126, 14038689, 28077378]

約数ペア:

[(1, 28077378), (2, 14038689), (3, 9359126), (6, 4679563), (7, 4011054), (14, 2005527), (21, 1337018), (42, 668509)]