16721328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 47108096

約数和(自身を除く): 30386768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 127, 156, 208, 211, 254, 312, 381, 422, 508, 624, 633, 762, 844, 1016, 1266, 1524, 1651, 1688, 2032, 2532, 2743, 3048, 3302, 3376, 4953, 5064, 5486, 6096, 6604, 8229, 9906, 10128, 10972, 13208, 16458, 19812, 21944, 26416, 26797, 32916, 39624, 43888, 53594, 65832, 79248, 80391, 107188, 131664, 160782, 214376, 321564, 348361, 428752, 643128, 696722, 1045083, 1286256, 1393444, 2090166, 2786888, 4180332, 5573776, 8360664, 16721328]

約数ペア:

[(1, 16721328), (2, 8360664), (3, 5573776), (4, 4180332), (6, 2786888), (8, 2090166), (12, 1393444), (13, 1286256), (16, 1045083), (24, 696722), (26, 643128), (39, 428752), (48, 348361), (52, 321564), (78, 214376), (104, 160782), (127, 131664), (156, 107188), (208, 80391), (211, 79248), (254, 65832), (312, 53594), (381, 43888), (422, 39624), (508, 32916), (624, 26797), (633, 26416), (762, 21944), (844, 19812), (1016, 16458), (1266, 13208), (1524, 10972), (1651, 10128), (1688, 9906), (2032, 8229), (2532, 6604), (2743, 6096), (3048, 5486), (3302, 5064), (3376, 4953)]