28912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:160

約数の個数: 20

約数和(自身を含む): 60760

約数和(自身を除く): 31848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 1112, 1807, 2224, 3614, 7228, 14456, 28912]

約数ペア:

[(1, 28912), (2, 14456), (4, 7228), (8, 3614), (13, 2224), (16, 1807), (26, 1112), (52, 556), (104, 278), (139, 208)]