128977385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{1871}}^1$

素因数の和:2704

約数の個数: 16

約数和(自身を含む): 164166912

約数和(自身を除く): 35189527

約数列:

[1, 5, 17, 85, 811, 1871, 4055, 9355, 13787, 31807, 68935, 159035, 1517381, 7586905, 25795477, 128977385]

約数ペア:

[(1, 128977385), (5, 25795477), (17, 7586905), (85, 1517381), (811, 159035), (1871, 68935), (4055, 31807), (9355, 13787)]