1991680236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{607961}}^1$

素因数の和:607991

約数の個数: 72

約数和(自身を含む): 6196348704

約数和(自身を除く): 4204668468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 607961, 1215922, 1823883, 2431844, 3647766, 4255727, 5471649, 7295532, 7903493, 8511454, 10943298, 12767181, 15806986, 17022908, 21886596, 23710479, 25534362, 31613972, 38301543, 47420958, 51068724, 55324451, 71131437, 76603086, 94841916, 110648902, 142262874, 153206172, 165973353, 221297804, 284525748, 331946706, 497920059, 663893412, 995840118, 1991680236]

約数ペア:

[(1, 1991680236), (2, 995840118), (3, 663893412), (4, 497920059), (6, 331946706), (7, 284525748), (9, 221297804), (12, 165973353), (13, 153206172), (14, 142262874), (18, 110648902), (21, 94841916), (26, 76603086), (28, 71131437), (36, 55324451), (39, 51068724), (42, 47420958), (52, 38301543), (63, 31613972), (78, 25534362), (84, 23710479), (91, 21886596), (117, 17022908), (126, 15806986), (156, 12767181), (182, 10943298), (234, 8511454), (252, 7903493), (273, 7295532), (364, 5471649), (468, 4255727), (546, 3647766), (819, 2431844), (1092, 1823883), (1638, 1215922), (3276, 607961)]