128939384

素因数分解:

$2^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{3391}}^1$

素因数の和:3508

約数の個数: 48

約数和(自身を含む): 284215680

約数和(自身を除く): 155276296

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 97, 98, 194, 196, 388, 392, 679, 776, 1358, 2716, 3391, 4753, 5432, 6782, 9506, 13564, 19012, 23737, 27128, 38024, 47474, 94948, 166159, 189896, 328927, 332318, 657854, 664636, 1315708, 1329272, 2302489, 2631416, 4604978, 9209956, 16117423, 18419912, 32234846, 64469692, 128939384]

約数ペア:

[(1, 128939384), (2, 64469692), (4, 32234846), (7, 18419912), (8, 16117423), (14, 9209956), (28, 4604978), (49, 2631416), (56, 2302489), (97, 1329272), (98, 1315708), (194, 664636), (196, 657854), (388, 332318), (392, 328927), (679, 189896), (776, 166159), (1358, 94948), (2716, 47474), (3391, 38024), (4753, 27128), (5432, 23737), (6782, 19012), (9506, 13564)]