1279142488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{28537}}^1$

素因数の和:28987

約数の個数: 32

約数和(自身を含む): 2588967360

約数和(自身を除く): 1309824872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 431, 862, 1724, 3448, 5603, 11206, 22412, 28537, 44824, 57074, 114148, 228296, 370981, 741962, 1483924, 2967848, 12299447, 24598894, 49197788, 98395576, 159892811, 319785622, 639571244, 1279142488]

約数ペア:

[(1, 1279142488), (2, 639571244), (4, 319785622), (8, 159892811), (13, 98395576), (26, 49197788), (52, 24598894), (104, 12299447), (431, 2967848), (862, 1483924), (1724, 741962), (3448, 370981), (5603, 228296), (11206, 114148), (22412, 57074), (28537, 44824)]