1217415416

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{306191}}^1$

素因数の和:306275

約数の個数: 32

約数和(自身を含む): 2645498880

約数和(自身を除く): 1428083464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 306191, 612382, 1224764, 2143337, 2449528, 4286674, 8573348, 17146696, 21739561, 43479122, 86958244, 152176927, 173916488, 304353854, 608707708, 1217415416]

約数ペア:

[(1, 1217415416), (2, 608707708), (4, 304353854), (7, 173916488), (8, 152176927), (14, 86958244), (28, 43479122), (56, 21739561), (71, 17146696), (142, 8573348), (284, 4286674), (497, 2449528), (568, 2143337), (994, 1224764), (1988, 612382), (3976, 306191)]