28764112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138289}}^1$

素因数の和:138310

約数の個数: 20

約数和(自身を含む): 60017860

約数和(自身を除く): 31253748

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138289, 276578, 553156, 1106312, 1797757, 2212624, 3595514, 7191028, 14382056, 28764112]

約数ペア:

[(1, 28764112), (2, 14382056), (4, 7191028), (8, 3595514), (13, 2212624), (16, 1797757), (26, 1106312), (52, 553156), (104, 276578), (208, 138289)]