12890192

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1707

約数の個数: 40

約数和(自身を含む): 28962432

約数和(自身を除く): 16072240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1621, 1988, 3242, 3976, 6484, 7952, 11347, 12968, 22694, 25936, 45388, 90776, 115091, 181552, 230182, 460364, 805637, 920728, 1611274, 1841456, 3222548, 6445096, 12890192]

約数ペア:

[(1, 12890192), (2, 6445096), (4, 3222548), (7, 1841456), (8, 1611274), (14, 920728), (16, 805637), (28, 460364), (56, 230182), (71, 181552), (112, 115091), (142, 90776), (284, 45388), (497, 25936), (568, 22694), (994, 12968), (1136, 11347), (1621, 7952), (1988, 6484), (3242, 3976)]