257584952

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 533744640

約数和(自身を除く): 276159688

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 107, 124, 136, 214, 248, 428, 527, 571, 856, 1054, 1142, 1819, 2108, 2284, 3317, 3638, 4216, 4568, 6634, 7276, 9707, 13268, 14552, 17701, 19414, 26536, 35402, 38828, 56389, 61097, 70804, 77656, 112778, 122194, 141608, 225556, 244388, 300917, 451112, 488776, 601834, 1038649, 1203668, 1894007, 2077298, 2407336, 3788014, 4154596, 7576028, 8309192, 15152056, 32198119, 64396238, 128792476, 257584952]

約数ペア:

[(1, 257584952), (2, 128792476), (4, 64396238), (8, 32198119), (17, 15152056), (31, 8309192), (34, 7576028), (62, 4154596), (68, 3788014), (107, 2407336), (124, 2077298), (136, 1894007), (214, 1203668), (248, 1038649), (428, 601834), (527, 488776), (571, 451112), (856, 300917), (1054, 244388), (1142, 225556), (1819, 141608), (2108, 122194), (2284, 112778), (3317, 77656), (3638, 70804), (4216, 61097), (4568, 56389), (6634, 38828), (7276, 35402), (9707, 26536), (13268, 19414), (14552, 17701)]