281888568

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{659}}^1$

素因数の和:1141

約数の個数: 96

約数和(自身を含む): 825224400

約数和(自身を除く): 543335832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 457, 468, 659, 914, 936, 1318, 1371, 1828, 1977, 2636, 2742, 3656, 3954, 4113, 5272, 5484, 5931, 5941, 7908, 8226, 8567, 10968, 11862, 11882, 15816, 16452, 17134, 17823, 23724, 23764, 25701, 32904, 34268, 35646, 47448, 47528, 51402, 53469, 68536, 71292, 77103, 102804, 106938, 142584, 154206, 205608, 213876, 301163, 308412, 427752, 602326, 616824, 903489, 1204652, 1806978, 2409304, 2710467, 3613956, 3915119, 5420934, 7227912, 7830238, 10841868, 11745357, 15660476, 21683736, 23490714, 31320952, 35236071, 46981428, 70472142, 93962856, 140944284, 281888568]

約数ペア:

[(1, 281888568), (2, 140944284), (3, 93962856), (4, 70472142), (6, 46981428), (8, 35236071), (9, 31320952), (12, 23490714), (13, 21683736), (18, 15660476), (24, 11745357), (26, 10841868), (36, 7830238), (39, 7227912), (52, 5420934), (72, 3915119), (78, 3613956), (104, 2710467), (117, 2409304), (156, 1806978), (234, 1204652), (312, 903489), (457, 616824), (468, 602326), (659, 427752), (914, 308412), (936, 301163), (1318, 213876), (1371, 205608), (1828, 154206), (1977, 142584), (2636, 106938), (2742, 102804), (3656, 77103), (3954, 71292), (4113, 68536), (5272, 53469), (5484, 51402), (5931, 47528), (5941, 47448), (7908, 35646), (8226, 34268), (8567, 32904), (10968, 25701), (11862, 23764), (11882, 23724), (15816, 17823), (16452, 17134)]