28447812

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1877}}^1$

素因数の和:2308

約数の個数: 36

約数和(自身を含む): 72118956

約数和(自身を除く): 43671144

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 1877, 2526, 3754, 3789, 5052, 5631, 7508, 7578, 11262, 15156, 16893, 22524, 33786, 67572, 790217, 1580434, 2370651, 3160868, 4741302, 7111953, 9482604, 14223906, 28447812]

約数ペア:

[(1, 28447812), (2, 14223906), (3, 9482604), (4, 7111953), (6, 4741302), (9, 3160868), (12, 2370651), (18, 1580434), (36, 790217), (421, 67572), (842, 33786), (1263, 22524), (1684, 16893), (1877, 15156), (2526, 11262), (3754, 7578), (3789, 7508), (5052, 5631)]