15747784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2857}}^1$

素因数の和:2929

約数の個数: 32

約数和(自身を含む): 32409720

約数和(自身を除く): 16661936

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 2857, 5512, 5714, 11428, 22856, 37141, 74282, 148564, 151421, 297128, 302842, 605684, 1211368, 1968473, 3936946, 7873892, 15747784]

約数ペア:

[(1, 15747784), (2, 7873892), (4, 3936946), (8, 1968473), (13, 1211368), (26, 605684), (52, 302842), (53, 297128), (104, 151421), (106, 148564), (212, 74282), (424, 37141), (689, 22856), (1378, 11428), (2756, 5714), (2857, 5512)]