15720208

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1559

約数の個数: 40

約数和(自身を含む): 35192192

約数和(自身を除く): 19471984

約数列:

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

約数ペア:

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