289920984

素因数分解:

$2^3\times 3^1\times {\mathrm{643}}^1\times {\mathrm{18787}}^1$

素因数の和:19439

約数の個数: 32

約数和(自身を含む): 725968320

約数和(自身を除く): 436047336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 643, 1286, 1929, 2572, 3858, 5144, 7716, 15432, 18787, 37574, 56361, 75148, 112722, 150296, 225444, 450888, 12080041, 24160082, 36240123, 48320164, 72480246, 96640328, 144960492, 289920984]

約数ペア:

[(1, 289920984), (2, 144960492), (3, 96640328), (4, 72480246), (6, 48320164), (8, 36240123), (12, 24160082), (24, 12080041), (643, 450888), (1286, 225444), (1929, 150296), (2572, 112722), (3858, 75148), (5144, 56361), (7716, 37574), (15432, 18787)]