28464490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 52462080

約数和(自身を除く): 23997590

約数列:

[1, 2, 5, 10, 79, 137, 158, 263, 274, 395, 526, 685, 790, 1315, 1370, 2630, 10823, 20777, 21646, 36031, 41554, 54115, 72062, 103885, 108230, 180155, 207770, 360310, 2846449, 5692898, 14232245, 28464490]

約数ペア:

[(1, 28464490), (2, 14232245), (5, 5692898), (10, 2846449), (79, 360310), (137, 207770), (158, 180155), (263, 108230), (274, 103885), (395, 72062), (526, 54115), (685, 41554), (790, 36031), (1315, 21646), (1370, 20777), (2630, 10823)]