31123876

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 67092480

約数和(自身を除く): 35968604

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 92, 124, 161, 217, 322, 434, 644, 713, 868, 1426, 1559, 2852, 3118, 4991, 6236, 9982, 10913, 19964, 21826, 35857, 43652, 48329, 71714, 96658, 143428, 193316, 250999, 338303, 501998, 676606, 1003996, 1111567, 1353212, 2223134, 4446268, 7780969, 15561938, 31123876]

約数ペア:

[(1, 31123876), (2, 15561938), (4, 7780969), (7, 4446268), (14, 2223134), (23, 1353212), (28, 1111567), (31, 1003996), (46, 676606), (62, 501998), (92, 338303), (124, 250999), (161, 193316), (217, 143428), (322, 96658), (434, 71714), (644, 48329), (713, 43652), (868, 35857), (1426, 21826), (1559, 19964), (2852, 10913), (3118, 9982), (4991, 6236)]