2087431216

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1471

約数の個数: 80

約数和(自身を含む): 4486414240

約数和(自身を除く): 2398983024

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 169, 172, 208, 338, 344, 559, 676, 688, 1118, 1352, 1381, 2197, 2236, 2704, 2762, 4394, 4472, 5524, 7267, 8788, 8944, 11048, 14534, 17576, 17953, 22096, 29068, 35152, 35906, 58136, 59383, 71812, 94471, 116272, 118766, 143624, 188942, 233389, 237532, 287248, 377884, 466778, 475064, 755768, 771979, 933556, 950128, 1511536, 1543958, 1867112, 3034057, 3087916, 3734224, 6068114, 6175832, 10035727, 12136228, 12351664, 20071454, 24272456, 40142908, 48544912, 80285816, 130464451, 160571632, 260928902, 521857804, 1043715608, 2087431216]

約数ペア:

[(1, 2087431216), (2, 1043715608), (4, 521857804), (8, 260928902), (13, 160571632), (16, 130464451), (26, 80285816), (43, 48544912), (52, 40142908), (86, 24272456), (104, 20071454), (169, 12351664), (172, 12136228), (208, 10035727), (338, 6175832), (344, 6068114), (559, 3734224), (676, 3087916), (688, 3034057), (1118, 1867112), (1352, 1543958), (1381, 1511536), (2197, 950128), (2236, 933556), (2704, 771979), (2762, 755768), (4394, 475064), (4472, 466778), (5524, 377884), (7267, 287248), (8788, 237532), (8944, 233389), (11048, 188942), (14534, 143624), (17576, 118766), (17953, 116272), (22096, 94471), (29068, 71812), (35152, 59383), (35906, 58136)]