28732912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138139}}^1$

素因数の和:138160

約数の個数: 20

約数和(自身を含む): 59952760

約数和(自身を除く): 31219848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138139, 276278, 552556, 1105112, 1795807, 2210224, 3591614, 7183228, 14366456, 28732912]

約数ペア:

[(1, 28732912), (2, 14366456), (4, 7183228), (8, 3591614), (13, 2210224), (16, 1795807), (26, 1105112), (52, 552556), (104, 276278), (208, 138139)]