15560636

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 35392896

約数和(自身を除く): 19832260

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 197, 217, 364, 394, 403, 434, 637, 788, 806, 868, 1274, 1379, 1519, 1612, 2548, 2561, 2758, 2821, 3038, 5122, 5516, 5642, 6076, 6107, 9653, 10244, 11284, 12214, 17927, 19306, 19747, 24428, 35854, 38612, 39494, 42749, 71708, 78988, 79391, 85498, 125489, 158782, 170996, 250978, 299243, 317564, 501956, 555737, 598486, 1111474, 1196972, 2222948, 3890159, 7780318, 15560636]

約数ペア:

[(1, 15560636), (2, 7780318), (4, 3890159), (7, 2222948), (13, 1196972), (14, 1111474), (26, 598486), (28, 555737), (31, 501956), (49, 317564), (52, 299243), (62, 250978), (91, 170996), (98, 158782), (124, 125489), (182, 85498), (196, 79391), (197, 78988), (217, 71708), (364, 42749), (394, 39494), (403, 38612), (434, 35854), (637, 24428), (788, 19747), (806, 19306), (868, 17927), (1274, 12214), (1379, 11284), (1519, 10244), (1612, 9653), (2548, 6107), (2561, 6076), (2758, 5642), (2821, 5516), (3038, 5122)]