68840884

素因数分解:

$2^2\times 7^2\times {\mathrm{351229}}^1$

素因数の和:351247

約数の個数: 18

約数和(自身を含む): 140140770

約数和(自身を除く): 71299886

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 351229, 702458, 1404916, 2458603, 4917206, 9834412, 17210221, 34420442, 68840884]

約数ペア:

[(1, 68840884), (2, 34420442), (4, 17210221), (7, 9834412), (14, 4917206), (28, 2458603), (49, 1404916), (98, 702458), (196, 351229)]