129187448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{9781}}^1$

素因数の和:9927

約数の個数: 32

約数和(自身を含む): 262940160

約数和(自身を除く): 133752712

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1651, 3302, 6604, 9781, 13208, 19562, 39124, 78248, 127153, 254306, 508612, 1017224, 1242187, 2484374, 4968748, 9937496, 16148431, 32296862, 64593724, 129187448]

約数ペア:

[(1, 129187448), (2, 64593724), (4, 32296862), (8, 16148431), (13, 9937496), (26, 4968748), (52, 2484374), (104, 1242187), (127, 1017224), (254, 508612), (508, 254306), (1016, 127153), (1651, 78248), (3302, 39124), (6604, 19562), (9781, 13208)]