257367968

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{5113}}^1$

素因数の和:5158

約数の個数: 72

約数和(自身を含む): 599902884

約数和(自身を除く): 342534916

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 352, 416, 484, 572, 968, 1144, 1573, 1936, 2288, 3146, 3872, 4576, 5113, 6292, 10226, 12584, 20452, 25168, 40904, 50336, 56243, 66469, 81808, 112486, 132938, 163616, 224972, 265876, 449944, 531752, 618673, 731159, 899888, 1063504, 1237346, 1462318, 1799776, 2127008, 2474692, 2924636, 4949384, 5849272, 8042749, 9898768, 11698544, 16085498, 19797536, 23397088, 32170996, 64341992, 128683984, 257367968]

約数ペア:

[(1, 257367968), (2, 128683984), (4, 64341992), (8, 32170996), (11, 23397088), (13, 19797536), (16, 16085498), (22, 11698544), (26, 9898768), (32, 8042749), (44, 5849272), (52, 4949384), (88, 2924636), (104, 2474692), (121, 2127008), (143, 1799776), (176, 1462318), (208, 1237346), (242, 1063504), (286, 899888), (352, 731159), (416, 618673), (484, 531752), (572, 449944), (968, 265876), (1144, 224972), (1573, 163616), (1936, 132938), (2288, 112486), (3146, 81808), (3872, 66469), (4576, 56243), (5113, 50336), (6292, 40904), (10226, 25168), (12584, 20452)]