28904708

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1657}}^1$

素因数の和:1764

約数の個数: 36

約数和(自身を含む): 59538780

約数和(自身を除く): 30634072

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1246, 1657, 2492, 3314, 4361, 6628, 8722, 11599, 17444, 23198, 46396, 81193, 147473, 162386, 294946, 324772, 589892, 1032311, 2064622, 4129244, 7226177, 14452354, 28904708]

約数ペア:

[(1, 28904708), (2, 14452354), (4, 7226177), (7, 4129244), (14, 2064622), (28, 1032311), (49, 589892), (89, 324772), (98, 294946), (178, 162386), (196, 147473), (356, 81193), (623, 46396), (1246, 23198), (1657, 17444), (2492, 11599), (3314, 8722), (4361, 6628)]