28084428

素因数分解:

$2^2\times 3^3\times {\mathrm{443}}^1\times {\mathrm{587}}^1$

素因数の和:1043

約数の個数: 48

約数和(自身を含む): 73100160

約数和(自身を除く): 45015732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 443, 587, 886, 1174, 1329, 1761, 1772, 2348, 2658, 3522, 3987, 5283, 5316, 7044, 7974, 10566, 11961, 15849, 15948, 21132, 23922, 31698, 47844, 63396, 260041, 520082, 780123, 1040164, 1560246, 2340369, 3120492, 4680738, 7021107, 9361476, 14042214, 28084428]

約数ペア:

[(1, 28084428), (2, 14042214), (3, 9361476), (4, 7021107), (6, 4680738), (9, 3120492), (12, 2340369), (18, 1560246), (27, 1040164), (36, 780123), (54, 520082), (108, 260041), (443, 63396), (587, 47844), (886, 31698), (1174, 23922), (1329, 21132), (1761, 15948), (1772, 15849), (2348, 11961), (2658, 10566), (3522, 7974), (3987, 7044), (5283, 5316)]