15921008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 32097648

約数和(自身を除く): 16176640

約数列:

[1, 2, 4, 8, 16, 43, 73, 86, 146, 172, 292, 317, 344, 584, 634, 688, 1168, 1268, 2536, 3139, 5072, 6278, 12556, 13631, 23141, 25112, 27262, 46282, 50224, 54524, 92564, 109048, 185128, 218096, 370256, 995063, 1990126, 3980252, 7960504, 15921008]

約数ペア:

[(1, 15921008), (2, 7960504), (4, 3980252), (8, 1990126), (16, 995063), (43, 370256), (73, 218096), (86, 185128), (146, 109048), (172, 92564), (292, 54524), (317, 50224), (344, 46282), (584, 27262), (634, 25112), (688, 23141), (1168, 13631), (1268, 12556), (2536, 6278), (3139, 5072)]