264378946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{1109}}^1$

素因数の和:1350

約数の個数: 32

約数和(自身を含む): 438041520

約数和(自身を除く): 173662574

約数列:

[1, 2, 13, 26, 53, 106, 173, 346, 689, 1109, 1378, 2218, 2249, 4498, 9169, 14417, 18338, 28834, 58777, 117554, 119197, 191857, 238394, 383714, 764101, 1528202, 2494141, 4988282, 10168421, 20336842, 132189473, 264378946]

約数ペア:

[(1, 264378946), (2, 132189473), (13, 20336842), (26, 10168421), (53, 4988282), (106, 2494141), (173, 1528202), (346, 764101), (689, 383714), (1109, 238394), (1378, 191857), (2218, 119197), (2249, 117554), (4498, 58777), (9169, 28834), (14417, 18338)]