87018904

素因数分解:

$2^3\times 7^2\times {\mathrm{221987}}^1$

素因数の和:222007

約数の個数: 24

約数和(自身を含む): 189799740

約数和(自身を除く): 102780836

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 221987, 443974, 887948, 1553909, 1775896, 3107818, 6215636, 10877363, 12431272, 21754726, 43509452, 87018904]

約数ペア:

[(1, 87018904), (2, 43509452), (4, 21754726), (7, 12431272), (8, 10877363), (14, 6215636), (28, 3107818), (49, 1775896), (56, 1553909), (98, 887948), (196, 443974), (392, 221987)]