28913748

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 69014400

約数和(自身を除く): 40100652

約数列:

[1, 2, 3, 4, 6, 12, 103, 149, 157, 206, 298, 309, 314, 412, 447, 471, 596, 618, 628, 894, 942, 1236, 1788, 1884, 15347, 16171, 23393, 30694, 32342, 46041, 46786, 48513, 61388, 64684, 70179, 92082, 93572, 97026, 140358, 184164, 194052, 280716, 2409479, 4818958, 7228437, 9637916, 14456874, 28913748]

約数ペア:

[(1, 28913748), (2, 14456874), (3, 9637916), (4, 7228437), (6, 4818958), (12, 2409479), (103, 280716), (149, 194052), (157, 184164), (206, 140358), (298, 97026), (309, 93572), (314, 92082), (412, 70179), (447, 64684), (471, 61388), (596, 48513), (618, 46786), (628, 46041), (894, 32342), (942, 30694), (1236, 23393), (1788, 16171), (1884, 15347)]