28905674

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{15761}}^1$

素因数の和:15901

約数の個数: 16

約数和(自身を含む): 49934016

約数和(自身を除く): 21028342

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 15761, 31522, 110327, 220654, 2064691, 4129382, 14452837, 28905674]

約数ペア:

[(1, 28905674), (2, 14452837), (7, 4129382), (14, 2064691), (131, 220654), (262, 110327), (917, 31522), (1834, 15761)]