25368591

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 37440000

約数和(自身を除く): 12071409

約数列:

[1, 3, 19, 29, 57, 87, 103, 149, 309, 447, 551, 1653, 1957, 2831, 2987, 4321, 5871, 8493, 8961, 12963, 15347, 46041, 56753, 82099, 170259, 246297, 291593, 445063, 874779, 1335189, 8456197, 25368591]

約数ペア:

[(1, 25368591), (3, 8456197), (19, 1335189), (29, 874779), (57, 445063), (87, 291593), (103, 246297), (149, 170259), (309, 82099), (447, 56753), (551, 46041), (1653, 15347), (1957, 12963), (2831, 8961), (2987, 8493), (4321, 5871)]