31440416

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 71519616

約数和(自身を除く): 40079200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 1358, 1447, 1552, 2716, 2894, 3104, 5432, 5788, 10129, 10864, 11576, 20258, 21728, 23152, 40516, 46304, 81032, 140359, 162064, 280718, 324128, 561436, 982513, 1122872, 1965026, 2245744, 3930052, 4491488, 7860104, 15720208, 31440416]

約数ペア:

[(1, 31440416), (2, 15720208), (4, 7860104), (7, 4491488), (8, 3930052), (14, 2245744), (16, 1965026), (28, 1122872), (32, 982513), (56, 561436), (97, 324128), (112, 280718), (194, 162064), (224, 140359), (388, 81032), (679, 46304), (776, 40516), (1358, 23152), (1447, 21728), (1552, 20258), (2716, 11576), (2894, 10864), (3104, 10129), (5432, 5788)]