31990168

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13933}}^1$

素因数の和:13987

約数の個数: 32

約数和(自身を含む): 70227360

約数和(自身を除く): 38237192

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 13933, 27866, 55732, 97531, 111464, 195062, 390124, 571253, 780248, 1142506, 2285012, 3998771, 4570024, 7997542, 15995084, 31990168]

約数ペア:

[(1, 31990168), (2, 15995084), (4, 7997542), (7, 4570024), (8, 3998771), (14, 2285012), (28, 1142506), (41, 780248), (56, 571253), (82, 390124), (164, 195062), (287, 111464), (328, 97531), (574, 55732), (1148, 27866), (2296, 13933)]