128321809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 166830336

約数和(自身を除く): 38508527

約数列:

[1, 7, 11, 37, 73, 77, 259, 407, 511, 617, 803, 2701, 2849, 4319, 5621, 6787, 18907, 22829, 29711, 45041, 47509, 159803, 207977, 251119, 315287, 495451, 1666517, 1757833, 3468157, 11665619, 18331687, 128321809]

約数ペア:

[(1, 128321809), (7, 18331687), (11, 11665619), (37, 3468157), (73, 1757833), (77, 1666517), (259, 495451), (407, 315287), (511, 251119), (617, 207977), (803, 159803), (2701, 47509), (2849, 45041), (4319, 29711), (5621, 22829), (6787, 18907)]