161443548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{640649}}^1$

素因数の和:640666

約数の個数: 36

約数和(自身を含む): 466393200

約数和(自身を除く): 304949652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 640649, 1281298, 1921947, 2562596, 3843894, 4484543, 5765841, 7687788, 8969086, 11531682, 13453629, 17938172, 23063364, 26907258, 40360887, 53814516, 80721774, 161443548]

約数ペア:

[(1, 161443548), (2, 80721774), (3, 53814516), (4, 40360887), (6, 26907258), (7, 23063364), (9, 17938172), (12, 13453629), (14, 11531682), (18, 8969086), (21, 7687788), (28, 5765841), (36, 4484543), (42, 3843894), (63, 2562596), (84, 1921947), (126, 1281298), (252, 640649)]