28316912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136139}}^1$

素因数の和:136160

約数の個数: 20

約数和(自身を含む): 59084760

約数和(自身を除く): 30767848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136139, 272278, 544556, 1089112, 1769807, 2178224, 3539614, 7079228, 14158456, 28316912]

約数ペア:

[(1, 28316912), (2, 14158456), (4, 7079228), (8, 3539614), (13, 2178224), (16, 1769807), (26, 1089112), (52, 544556), (104, 272278), (208, 136139)]