2887864

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 6463800

約数和(自身を除く): 3575936

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 139, 196, 212, 278, 371, 392, 424, 556, 742, 973, 1112, 1484, 1946, 2597, 2968, 3892, 5194, 6811, 7367, 7784, 10388, 13622, 14734, 20776, 27244, 29468, 51569, 54488, 58936, 103138, 206276, 360983, 412552, 721966, 1443932, 2887864]

約数ペア:

[(1, 2887864), (2, 1443932), (4, 721966), (7, 412552), (8, 360983), (14, 206276), (28, 103138), (49, 58936), (53, 54488), (56, 51569), (98, 29468), (106, 27244), (139, 20776), (196, 14734), (212, 13622), (278, 10388), (371, 7784), (392, 7367), (424, 6811), (556, 5194), (742, 3892), (973, 2968), (1112, 2597), (1484, 1946)]