12896905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 18998784

約数和(自身を除く): 6101879

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 433, 805, 851, 1295, 2165, 3031, 4255, 5957, 9959, 15155, 16021, 29785, 49795, 69713, 80105, 112147, 348565, 368483, 560735, 1842415, 2579381, 12896905]

約数ペア:

[(1, 12896905), (5, 2579381), (7, 1842415), (23, 560735), (35, 368483), (37, 348565), (115, 112147), (161, 80105), (185, 69713), (259, 49795), (433, 29785), (805, 16021), (851, 15155), (1295, 9959), (2165, 5957), (3031, 4255)]