77870212

素因数分解:

$2^2\times 7^2\times {\mathrm{397297}}^1$

素因数の和:397315

約数の個数: 18

約数和(自身を含む): 158521902

約数和(自身を除く): 80651690

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 397297, 794594, 1589188, 2781079, 5562158, 11124316, 19467553, 38935106, 77870212]

約数ペア:

[(1, 77870212), (2, 38935106), (4, 19467553), (7, 11124316), (14, 5562158), (28, 2781079), (49, 1589188), (98, 794594), (196, 397297)]