209577424

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 475969536

約数和(自身を除く): 266392112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 101, 112, 191, 194, 202, 382, 388, 404, 679, 707, 764, 776, 808, 1337, 1358, 1414, 1528, 1552, 1616, 2674, 2716, 2828, 3056, 5348, 5432, 5656, 9797, 10696, 10864, 11312, 18527, 19291, 19594, 21392, 37054, 38582, 39188, 68579, 74108, 77164, 78376, 129689, 135037, 137158, 148216, 154328, 156752, 259378, 270074, 274316, 296432, 308656, 518756, 540148, 548632, 1037512, 1080296, 1097264, 1871227, 2075024, 2160592, 3742454, 7484908, 13098589, 14969816, 26197178, 29939632, 52394356, 104788712, 209577424]

約数ペア:

[(1, 209577424), (2, 104788712), (4, 52394356), (7, 29939632), (8, 26197178), (14, 14969816), (16, 13098589), (28, 7484908), (56, 3742454), (97, 2160592), (101, 2075024), (112, 1871227), (191, 1097264), (194, 1080296), (202, 1037512), (382, 548632), (388, 540148), (404, 518756), (679, 308656), (707, 296432), (764, 274316), (776, 270074), (808, 259378), (1337, 156752), (1358, 154328), (1414, 148216), (1528, 137158), (1552, 135037), (1616, 129689), (2674, 78376), (2716, 77164), (2828, 74108), (3056, 68579), (5348, 39188), (5432, 38582), (5656, 37054), (9797, 21392), (10696, 19594), (10864, 19291), (11312, 18527)]