128545336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{6659}}^1$

素因数の和:6811

約数の個数: 32

約数和(自身を含む): 255744000

約数和(自身を除く): 127198664

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 254, 508, 1016, 2413, 4826, 6659, 9652, 13318, 19304, 26636, 53272, 126521, 253042, 506084, 845693, 1012168, 1691386, 3382772, 6765544, 16068167, 32136334, 64272668, 128545336]

約数ペア:

[(1, 128545336), (2, 64272668), (4, 32136334), (8, 16068167), (19, 6765544), (38, 3382772), (76, 1691386), (127, 1012168), (152, 845693), (254, 506084), (508, 253042), (1016, 126521), (2413, 53272), (4826, 26636), (6659, 19304), (9652, 13318)]