668889076947

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{20563}}^1$

素因数の和:20809

約数の個数: 128

約数和(自身を含む): 1196615540736

約数和(自身を除く): 527726463789

約数列:

[1, 3, 7, 13, 17, 21, 39, 43, 51, 91, 119, 129, 163, 221, 273, 301, 357, 489, 559, 663, 731, 903, 1141, 1547, 1677, 2119, 2193, 2771, 3423, 3913, 4641, 5117, 6357, 7009, 8313, 9503, 11739, 14833, 15351, 19397, 20563, 21027, 28509, 36023, 44499, 49063, 58191, 61689, 66521, 91117, 108069, 119153, 143941, 147189, 199563, 252161, 267319, 273351, 349571, 357459, 431823, 637819, 756483, 801957, 834071, 884209, 1048713, 1548989, 1871233, 1913457, 2446997, 2502213, 2652627, 3351769, 4544423, 4646967, 5613699, 6189463, 7340991, 10055307, 10842923, 11494717, 13633269, 15031553, 18568389, 23462383, 31810961, 32528769, 34484151, 43572997, 45094659, 56980073, 70387149, 80463019, 95432883, 105220871, 130718991, 144126067, 170940219, 195410189, 241389057, 305010979, 315662613, 398860511, 432378201, 586230567, 740740949, 915032937, 1008882469, 1196581533, 1367871323, 1873638871, 2222222847, 2450143139, 3026647407, 4103613969, 5185186643, 5620916613, 7350429417, 13115472097, 15555559929, 17151001973, 31851860807, 39346416291, 51453005919, 95555582421, 222963025649, 668889076947]

約数ペア:

[(1, 668889076947), (3, 222963025649), (7, 95555582421), (13, 51453005919), (17, 39346416291), (21, 31851860807), (39, 17151001973), (43, 15555559929), (51, 13115472097), (91, 7350429417), (119, 5620916613), (129, 5185186643), (163, 4103613969), (221, 3026647407), (273, 2450143139), (301, 2222222847), (357, 1873638871), (489, 1367871323), (559, 1196581533), (663, 1008882469), (731, 915032937), (903, 740740949), (1141, 586230567), (1547, 432378201), (1677, 398860511), (2119, 315662613), (2193, 305010979), (2771, 241389057), (3423, 195410189), (3913, 170940219), (4641, 144126067), (5117, 130718991), (6357, 105220871), (7009, 95432883), (8313, 80463019), (9503, 70387149), (11739, 56980073), (14833, 45094659), (15351, 43572997), (19397, 34484151), (20563, 32528769), (21027, 31810961), (28509, 23462383), (36023, 18568389), (44499, 15031553), (49063, 13633269), (58191, 11494717), (61689, 10842923), (66521, 10055307), (91117, 7340991), (108069, 6189463), (119153, 5613699), (143941, 4646967), (147189, 4544423), (199563, 3351769), (252161, 2652627), (267319, 2502213), (273351, 2446997), (349571, 1913457), (357459, 1871233), (431823, 1548989), (637819, 1048713), (756483, 884209), (801957, 834071)]