217916972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 487334400

約数和(自身を除く): 269417428

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 73, 91, 118, 139, 146, 182, 236, 278, 292, 364, 413, 511, 556, 767, 826, 949, 973, 1022, 1534, 1652, 1807, 1898, 1946, 2044, 3068, 3614, 3796, 3892, 4307, 5369, 6643, 7228, 8201, 8614, 10147, 10738, 12649, 13286, 16402, 17228, 20294, 21476, 25298, 26572, 30149, 32804, 40588, 50596, 55991, 57407, 60298, 71029, 106613, 111982, 114814, 120596, 131911, 142058, 213226, 223964, 229628, 263822, 284116, 391937, 426452, 527644, 598673, 746291, 783874, 923377, 1197346, 1492582, 1567748, 1846754, 2394692, 2985164, 3693508, 4190711, 7782749, 8381422, 15565498, 16762844, 31130996, 54479243, 108958486, 217916972]

約数ペア:

[(1, 217916972), (2, 108958486), (4, 54479243), (7, 31130996), (13, 16762844), (14, 15565498), (26, 8381422), (28, 7782749), (52, 4190711), (59, 3693508), (73, 2985164), (91, 2394692), (118, 1846754), (139, 1567748), (146, 1492582), (182, 1197346), (236, 923377), (278, 783874), (292, 746291), (364, 598673), (413, 527644), (511, 426452), (556, 391937), (767, 284116), (826, 263822), (949, 229628), (973, 223964), (1022, 213226), (1534, 142058), (1652, 131911), (1807, 120596), (1898, 114814), (1946, 111982), (2044, 106613), (3068, 71029), (3614, 60298), (3796, 57407), (3892, 55991), (4307, 50596), (5369, 40588), (6643, 32804), (7228, 30149), (8201, 26572), (8614, 25298), (10147, 21476), (10738, 20294), (12649, 17228), (13286, 16402)]