218220184

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6971}}^1$

素因数の和:7040

約数の個数: 64

約数和(自身を含む): 515370240

約数和(自身を除く): 297150056

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 728, 1118, 1204, 2236, 2408, 3913, 4472, 6971, 7826, 13942, 15652, 27884, 31304, 48797, 55768, 90623, 97594, 181246, 195188, 299753, 362492, 390376, 599506, 634361, 724984, 1199012, 1268722, 2098271, 2398024, 2537444, 3896789, 4196542, 5074888, 7793578, 8393084, 15587156, 16786168, 27277523, 31174312, 54555046, 109110092, 218220184]

約数ペア:

[(1, 218220184), (2, 109110092), (4, 54555046), (7, 31174312), (8, 27277523), (13, 16786168), (14, 15587156), (26, 8393084), (28, 7793578), (43, 5074888), (52, 4196542), (56, 3896789), (86, 2537444), (91, 2398024), (104, 2098271), (172, 1268722), (182, 1199012), (301, 724984), (344, 634361), (364, 599506), (559, 390376), (602, 362492), (728, 299753), (1118, 195188), (1204, 181246), (2236, 97594), (2408, 90623), (3913, 55768), (4472, 48797), (6971, 31304), (7826, 27884), (13942, 15652)]