199989314

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{33931}}^1$

素因数の和:34361

約数の個数: 16

約数和(自身を含む): 343663296

約数和(自身を除く): 143673982

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 33931, 67862, 237517, 475034, 14284951, 28569902, 99994657, 199989314]

約数ペア:

[(1, 199989314), (2, 99994657), (7, 28569902), (14, 14284951), (421, 475034), (842, 237517), (2947, 67862), (5894, 33931)]