987456708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:546

約数の個数: 144

約数和(自身を含む): 2915028480

約数和(自身を除く): 1927571772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 193, 237, 252, 257, 316, 386, 474, 514, 553, 579, 711, 771, 772, 948, 1028, 1106, 1158, 1351, 1422, 1542, 1659, 1737, 1799, 2212, 2313, 2316, 2702, 2844, 3084, 3318, 3474, 3598, 4053, 4626, 4977, 5397, 5404, 6636, 6948, 7196, 8106, 9252, 9954, 10794, 12159, 15247, 16191, 16212, 19908, 20303, 21588, 24318, 30494, 32382, 40606, 45741, 48636, 49601, 60909, 60988, 64764, 81212, 91482, 99202, 106729, 121818, 137223, 142121, 148803, 182727, 182964, 198404, 213458, 243636, 274446, 284242, 297606, 320187, 347207, 365454, 426363, 426916, 446409, 548892, 568484, 595212, 640374, 694414, 730908, 852726, 892818, 960561, 1041621, 1279089, 1280748, 1388828, 1705452, 1785636, 1921122, 2083242, 2558178, 3124863, 3842244, 3918479, 4166484, 5116356, 6249726, 7836958, 11755437, 12499452, 15673916, 23510874, 27429353, 35266311, 47021748, 54858706, 70532622, 82288059, 109717412, 141065244, 164576118, 246864177, 329152236, 493728354, 987456708]

約数ペア:

[(1, 987456708), (2, 493728354), (3, 329152236), (4, 246864177), (6, 164576118), (7, 141065244), (9, 109717412), (12, 82288059), (14, 70532622), (18, 54858706), (21, 47021748), (28, 35266311), (36, 27429353), (42, 23510874), (63, 15673916), (79, 12499452), (84, 11755437), (126, 7836958), (158, 6249726), (193, 5116356), (237, 4166484), (252, 3918479), (257, 3842244), (316, 3124863), (386, 2558178), (474, 2083242), (514, 1921122), (553, 1785636), (579, 1705452), (711, 1388828), (771, 1280748), (772, 1279089), (948, 1041621), (1028, 960561), (1106, 892818), (1158, 852726), (1351, 730908), (1422, 694414), (1542, 640374), (1659, 595212), (1737, 568484), (1799, 548892), (2212, 446409), (2313, 426916), (2316, 426363), (2702, 365454), (2844, 347207), (3084, 320187), (3318, 297606), (3474, 284242), (3598, 274446), (4053, 243636), (4626, 213458), (4977, 198404), (5397, 182964), (5404, 182727), (6636, 148803), (6948, 142121), (7196, 137223), (8106, 121818), (9252, 106729), (9954, 99202), (10794, 91482), (12159, 81212), (15247, 64764), (16191, 60988), (16212, 60909), (19908, 49601), (20303, 48636), (21588, 45741), (24318, 40606), (30494, 32382)]