15381856

素因数分解:

$2^5\times 7^1\times {\mathrm{68669}}^1$

素因数の和:68686

約数の個数: 24

約数和(自身を含む): 34609680

約数和(自身を除く): 19227824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 68669, 137338, 274676, 480683, 549352, 961366, 1098704, 1922732, 2197408, 3845464, 7690928, 15381856]

約数ペア:

[(1, 15381856), (2, 7690928), (4, 3845464), (7, 2197408), (8, 1922732), (14, 1098704), (16, 961366), (28, 549352), (32, 480683), (56, 274676), (112, 137338), (224, 68669)]