156686369

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 203558400

約数和(自身を除く): 46872031

約数列:

[1, 7, 19, 31, 49, 61, 89, 133, 217, 427, 589, 623, 931, 1159, 1519, 1691, 1891, 2759, 2989, 4123, 4361, 5429, 8113, 11837, 13237, 19313, 28861, 35929, 38003, 52421, 56791, 82859, 92659, 103151, 135191, 168299, 251503, 266021, 366947, 722057, 1178093, 1760521, 2568629, 3197681, 5054399, 8246651, 22383767, 156686369]

約数ペア:

[(1, 156686369), (7, 22383767), (19, 8246651), (31, 5054399), (49, 3197681), (61, 2568629), (89, 1760521), (133, 1178093), (217, 722057), (427, 366947), (589, 266021), (623, 251503), (931, 168299), (1159, 135191), (1519, 103151), (1691, 92659), (1891, 82859), (2759, 56791), (2989, 52421), (4123, 38003), (4361, 35929), (5429, 28861), (8113, 19313), (11837, 13237)]