257168904

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 653721600

約数和(自身を除く): 396552696

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 139, 254, 278, 381, 417, 508, 556, 607, 762, 834, 1016, 1112, 1214, 1524, 1668, 1821, 2428, 3048, 3336, 3642, 4856, 7284, 14568, 17653, 35306, 52959, 70612, 77089, 84373, 105918, 141224, 154178, 168746, 211836, 231267, 253119, 308356, 337492, 423672, 462534, 506238, 616712, 674984, 925068, 1012476, 1850136, 2024952, 10715371, 21430742, 32146113, 42861484, 64292226, 85722968, 128584452, 257168904]

約数ペア:

[(1, 257168904), (2, 128584452), (3, 85722968), (4, 64292226), (6, 42861484), (8, 32146113), (12, 21430742), (24, 10715371), (127, 2024952), (139, 1850136), (254, 1012476), (278, 925068), (381, 674984), (417, 616712), (508, 506238), (556, 462534), (607, 423672), (762, 337492), (834, 308356), (1016, 253119), (1112, 231267), (1214, 211836), (1524, 168746), (1668, 154178), (1821, 141224), (2428, 105918), (3048, 84373), (3336, 77089), (3642, 70612), (4856, 52959), (7284, 35306), (14568, 17653)]