16986305

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21101}}^1$

素因数の和:21136

約数の個数: 16

約数和(自身を含む): 24309504

約数和(自身を除く): 7323199

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 21101, 105505, 147707, 485323, 738535, 2426615, 3397261, 16986305]

約数ペア:

[(1, 16986305), (5, 3397261), (7, 2426615), (23, 738535), (35, 485323), (115, 147707), (161, 105505), (805, 21101)]