128812904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{16447}}^1$

素因数の和:16553

約数の個数: 32

約数和(自身を含む): 266457600

約数和(自身を除く): 137644696

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 3916, 7832, 16447, 32894, 65788, 131576, 180917, 361834, 723668, 1447336, 1463783, 2927566, 5855132, 11710264, 16101613, 32203226, 64406452, 128812904]

約数ペア:

[(1, 128812904), (2, 64406452), (4, 32203226), (8, 16101613), (11, 11710264), (22, 5855132), (44, 2927566), (88, 1463783), (89, 1447336), (178, 723668), (356, 361834), (712, 180917), (979, 131576), (1958, 65788), (3916, 32894), (7832, 16447)]