218390158

素因数分解:

$2^1\times 7^5\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 391767840

約数和(自身を除く): 173377682

約数列:

[1, 2, 7, 14, 49, 73, 89, 98, 146, 178, 343, 511, 623, 686, 1022, 1246, 2401, 3577, 4361, 4802, 6497, 7154, 8722, 12994, 16807, 25039, 30527, 33614, 45479, 50078, 61054, 90958, 175273, 213689, 318353, 350546, 427378, 636706, 1226911, 1495823, 2228471, 2453822, 2991646, 4456942, 15599297, 31198594, 109195079, 218390158]

約数ペア:

[(1, 218390158), (2, 109195079), (7, 31198594), (14, 15599297), (49, 4456942), (73, 2991646), (89, 2453822), (98, 2228471), (146, 1495823), (178, 1226911), (343, 636706), (511, 427378), (623, 350546), (686, 318353), (1022, 213689), (1246, 175273), (2401, 90958), (3577, 61054), (4361, 50078), (4802, 45479), (6497, 33614), (7154, 30527), (8722, 25039), (12994, 16807)]