279642896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{2237}}^1$

素因数の和:2859

約数の個数: 40

約数和(自身を含む): 584717784

約数和(自身を除く): 305074888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 601, 1202, 2237, 2404, 4474, 4808, 7813, 8948, 9616, 15626, 17896, 29081, 31252, 35792, 58162, 62504, 116324, 125008, 232648, 465296, 1344437, 2688874, 5377748, 10755496, 17477681, 21510992, 34955362, 69910724, 139821448, 279642896]

約数ペア:

[(1, 279642896), (2, 139821448), (4, 69910724), (8, 34955362), (13, 21510992), (16, 17477681), (26, 10755496), (52, 5377748), (104, 2688874), (208, 1344437), (601, 465296), (1202, 232648), (2237, 125008), (2404, 116324), (4474, 62504), (4808, 58162), (7813, 35792), (8948, 31252), (9616, 29081), (15626, 17896)]