219914548

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{15803}}^1$

素因数の和:15892

約数の個数: 36

約数和(自身を含む): 454017312

約数和(自身を除く): 234102764

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 3479, 6958, 13916, 15803, 31606, 63212, 110621, 221242, 442484, 774347, 1122013, 1548694, 2244026, 3097388, 4488052, 7854091, 15708182, 31416364, 54978637, 109957274, 219914548]

約数ペア:

[(1, 219914548), (2, 109957274), (4, 54978637), (7, 31416364), (14, 15708182), (28, 7854091), (49, 4488052), (71, 3097388), (98, 2244026), (142, 1548694), (196, 1122013), (284, 774347), (497, 442484), (994, 221242), (1988, 110621), (3479, 63212), (6958, 31606), (13916, 15803)]