28145988

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20047}}^1$

素因数の和:20073

約数の個数: 48

約数和(自身を含む): 78588160

約数和(自身を除く): 50442172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20047, 40094, 60141, 80188, 120282, 180423, 240564, 260611, 360846, 521222, 541269, 721692, 781833, 1042444, 1082538, 1563666, 2165076, 2345499, 3127332, 4690998, 7036497, 9381996, 14072994, 28145988]

約数ペア:

[(1, 28145988), (2, 14072994), (3, 9381996), (4, 7036497), (6, 4690998), (9, 3127332), (12, 2345499), (13, 2165076), (18, 1563666), (26, 1082538), (27, 1042444), (36, 781833), (39, 721692), (52, 541269), (54, 521222), (78, 360846), (108, 260611), (117, 240564), (156, 180423), (234, 120282), (351, 80188), (468, 60141), (702, 40094), (1404, 20047)]