20161821316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1\times {\mathrm{1289}}^1$

素因数の和:1853

約数の個数: 96

約数和(自身を含む): 44006296320

約数和(自身を除く): 23844475004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 182, 194, 364, 388, 443, 679, 886, 1261, 1289, 1358, 1772, 2522, 2578, 2716, 3101, 5044, 5156, 5759, 6202, 8827, 9023, 11518, 12404, 16757, 17654, 18046, 23036, 33514, 35308, 36092, 40313, 42971, 67028, 80626, 85942, 117299, 125033, 161252, 171884, 234598, 250066, 300797, 469196, 500132, 558623, 571027, 601594, 875231, 1117246, 1142054, 1203188, 1625429, 1750462, 2234492, 2284108, 3250858, 3500924, 3910361, 3997189, 6501716, 7423351, 7820722, 7994378, 11378003, 14846702, 15641444, 15988756, 22756006, 29693404, 45512012, 51963457, 55389619, 103926914, 110779238, 207853828, 221558476, 387727333, 720065047, 775454666, 1440130094, 1550909332, 2880260188, 5040455329, 10080910658, 20161821316]

約数ペア:

[(1, 20161821316), (2, 10080910658), (4, 5040455329), (7, 2880260188), (13, 1550909332), (14, 1440130094), (26, 775454666), (28, 720065047), (52, 387727333), (91, 221558476), (97, 207853828), (182, 110779238), (194, 103926914), (364, 55389619), (388, 51963457), (443, 45512012), (679, 29693404), (886, 22756006), (1261, 15988756), (1289, 15641444), (1358, 14846702), (1772, 11378003), (2522, 7994378), (2578, 7820722), (2716, 7423351), (3101, 6501716), (5044, 3997189), (5156, 3910361), (5759, 3500924), (6202, 3250858), (8827, 2284108), (9023, 2234492), (11518, 1750462), (12404, 1625429), (16757, 1203188), (17654, 1142054), (18046, 1117246), (23036, 875231), (33514, 601594), (35308, 571027), (36092, 558623), (40313, 500132), (42971, 469196), (67028, 300797), (80626, 250066), (85942, 234598), (117299, 171884), (125033, 161252)]