31905412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1459}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 70640640

約数和(自身を除く): 38735228

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1459, 1562, 1988, 2918, 3124, 5467, 5836, 10213, 10934, 16049, 20426, 21868, 32098, 40852, 64196, 103589, 112343, 207178, 224686, 414356, 449372, 725123, 1139479, 1450246, 2278958, 2900492, 4557916, 7976353, 15952706, 31905412]

約数ペア:

[(1, 31905412), (2, 15952706), (4, 7976353), (7, 4557916), (11, 2900492), (14, 2278958), (22, 1450246), (28, 1139479), (44, 725123), (71, 449372), (77, 414356), (142, 224686), (154, 207178), (284, 112343), (308, 103589), (497, 64196), (781, 40852), (994, 32098), (1459, 21868), (1562, 20426), (1988, 16049), (2918, 10934), (3124, 10213), (5467, 5836)]