208099745

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{269}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 308862720

約数和(自身を除く): 100762975

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 217, 269, 713, 805, 961, 1085, 1345, 1883, 3565, 4805, 4991, 6187, 6727, 8339, 9415, 22103, 24955, 30935, 33635, 41695, 43309, 58373, 110515, 154721, 191797, 216545, 258509, 291865, 773605, 958985, 1292545, 1342579, 1809563, 5945707, 6712895, 9047815, 29728535, 41619949, 208099745]

約数ペア:

[(1, 208099745), (5, 41619949), (7, 29728535), (23, 9047815), (31, 6712895), (35, 5945707), (115, 1809563), (155, 1342579), (161, 1292545), (217, 958985), (269, 773605), (713, 291865), (805, 258509), (961, 216545), (1085, 191797), (1345, 154721), (1883, 110515), (3565, 58373), (4805, 43309), (4991, 41695), (6187, 33635), (6727, 30935), (8339, 24955), (9415, 22103)]