1902215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 2903040

約数和(自身を除く): 1000825

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 139, 161, 391, 595, 695, 805, 973, 1955, 2363, 2737, 3197, 4865, 11815, 13685, 15985, 16541, 22379, 54349, 82705, 111895, 271745, 380443, 1902215]

約数ペア:

[(1, 1902215), (5, 380443), (7, 271745), (17, 111895), (23, 82705), (35, 54349), (85, 22379), (115, 16541), (119, 15985), (139, 13685), (161, 11815), (391, 4865), (595, 3197), (695, 2737), (805, 2363), (973, 1955)]