289248869

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 368126976

約数和(自身を除く): 78878107

約数列:

[1, 7, 13, 37, 91, 259, 271, 317, 481, 1897, 2219, 3367, 3523, 4121, 10027, 11729, 24661, 28847, 70189, 82103, 85907, 130351, 152477, 601349, 912457, 1067339, 1116791, 3178559, 7817537, 22249913, 41321267, 289248869]

約数ペア:

[(1, 289248869), (7, 41321267), (13, 22249913), (37, 7817537), (91, 3178559), (259, 1116791), (271, 1067339), (317, 912457), (481, 601349), (1897, 152477), (2219, 130351), (3367, 85907), (3523, 82103), (4121, 70189), (10027, 28847), (11729, 24661)]