12897290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{26321}}^1$

素因数の和:26342

約数の個数: 24

約数和(自身を含む): 27006372

約数和(自身を除く): 14109082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 26321, 52642, 131605, 184247, 263210, 368494, 921235, 1289729, 1842470, 2579458, 6448645, 12897290]

約数ペア:

[(1, 12897290), (2, 6448645), (5, 2579458), (7, 1842470), (10, 1289729), (14, 921235), (35, 368494), (49, 263210), (70, 184247), (98, 131605), (245, 52642), (490, 26321)]