128191595

素因数分解:

$5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{5879}}^1$

素因数の和:5987

約数の個数: 24

約数和(自身を含む): 180986400

約数和(自身を除く): 52794805

約数列:

[1, 5, 7, 35, 49, 89, 245, 445, 623, 3115, 4361, 5879, 21805, 29395, 41153, 205765, 288071, 523231, 1440355, 2616155, 3662617, 18313085, 25638319, 128191595]

約数ペア:

[(1, 128191595), (5, 25638319), (7, 18313085), (35, 3662617), (49, 2616155), (89, 1440355), (245, 523231), (445, 288071), (623, 205765), (3115, 41153), (4361, 29395), (5879, 21805)]