12972694

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 23334912

約数和(自身を除く): 10362218

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 421, 434, 497, 842, 994, 2201, 2947, 4402, 5894, 13051, 15407, 26102, 29891, 30814, 59782, 91357, 182714, 209237, 418474, 926621, 1853242, 6486347, 12972694]

約数ペア:

[(1, 12972694), (2, 6486347), (7, 1853242), (14, 926621), (31, 418474), (62, 209237), (71, 182714), (142, 91357), (217, 59782), (421, 30814), (434, 29891), (497, 26102), (842, 15407), (994, 13051), (2201, 5894), (2947, 4402)]