51405545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 68774400

約数和(自身を除く): 17368855

約数列:

[1, 5, 19, 29, 47, 95, 145, 235, 397, 551, 893, 1363, 1985, 2755, 4465, 6815, 7543, 11513, 18659, 25897, 37715, 57565, 93295, 129485, 218747, 354521, 541111, 1093735, 1772605, 2705555, 10281109, 51405545]

約数ペア:

[(1, 51405545), (5, 10281109), (19, 2705555), (29, 1772605), (47, 1093735), (95, 541111), (145, 354521), (235, 218747), (397, 129485), (551, 93295), (893, 57565), (1363, 37715), (1985, 25897), (2755, 18659), (4465, 11513), (6815, 7543)]