205217264

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 466684416

約数和(自身を除く): 261467152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 131, 142, 197, 262, 284, 394, 497, 524, 568, 788, 917, 994, 1048, 1136, 1379, 1576, 1834, 1988, 2096, 2758, 3152, 3668, 3976, 5516, 7336, 7952, 9301, 11032, 13987, 14672, 18602, 22064, 25807, 27974, 37204, 51614, 55948, 65107, 74408, 97909, 103228, 111896, 130214, 148816, 180649, 195818, 206456, 223792, 260428, 361298, 391636, 412912, 520856, 722596, 783272, 1041712, 1445192, 1566544, 1832297, 2890384, 3664594, 7329188, 12826079, 14658376, 25652158, 29316752, 51304316, 102608632, 205217264]

約数ペア:

[(1, 205217264), (2, 102608632), (4, 51304316), (7, 29316752), (8, 25652158), (14, 14658376), (16, 12826079), (28, 7329188), (56, 3664594), (71, 2890384), (112, 1832297), (131, 1566544), (142, 1445192), (197, 1041712), (262, 783272), (284, 722596), (394, 520856), (497, 412912), (524, 391636), (568, 361298), (788, 260428), (917, 223792), (994, 206456), (1048, 195818), (1136, 180649), (1379, 148816), (1576, 130214), (1834, 111896), (1988, 103228), (2096, 97909), (2758, 74408), (3152, 65107), (3668, 55948), (3976, 51614), (5516, 37204), (7336, 27974), (7952, 25807), (9301, 22064), (11032, 18602), (13987, 14672)]