15721898048

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139339}}^1$

素因数の和:139435

約数の個数: 56

約数和(自身を含む): 32702540640

約数和(自身を除く): 16980642592

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 86, 164, 172, 328, 344, 656, 688, 1312, 1376, 1763, 2624, 2752, 3526, 7052, 14104, 28208, 56416, 112832, 139339, 278678, 557356, 1114712, 2229424, 4458848, 5712899, 5991577, 8917696, 11425798, 11983154, 22851596, 23966308, 45703192, 47932616, 91406384, 95865232, 182812768, 191730464, 245654657, 365625536, 383460928, 491309314, 982618628, 1965237256, 3930474512, 7860949024, 15721898048]

約数ペア:

[(1, 15721898048), (2, 7860949024), (4, 3930474512), (8, 1965237256), (16, 982618628), (32, 491309314), (41, 383460928), (43, 365625536), (64, 245654657), (82, 191730464), (86, 182812768), (164, 95865232), (172, 91406384), (328, 47932616), (344, 45703192), (656, 23966308), (688, 22851596), (1312, 11983154), (1376, 11425798), (1763, 8917696), (2624, 5991577), (2752, 5712899), (3526, 4458848), (7052, 2229424), (14104, 1114712), (28208, 557356), (56416, 278678), (112832, 139339)]