28774795

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 42208128

約数和(自身を除く): 13433333

約数列:

[1, 5, 7, 17, 35, 85, 119, 137, 353, 595, 685, 959, 1765, 2329, 2471, 4795, 6001, 11645, 12355, 16303, 30005, 42007, 48361, 81515, 210035, 241805, 338527, 822137, 1692635, 4110685, 5754959, 28774795]

約数ペア:

[(1, 28774795), (5, 5754959), (7, 4110685), (17, 1692635), (35, 822137), (85, 338527), (119, 241805), (137, 210035), (353, 81515), (595, 48361), (685, 42007), (959, 30005), (1765, 16303), (2329, 12355), (2471, 11645), (4795, 6001)]