657861714

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{859}}^1$

素因数の和:1295

約数の個数: 48

約数和(自身を含む): 1441415040

約数和(自身を除く): 783553326

約数列:

[1, 2, 3, 6, 9, 18, 157, 271, 314, 471, 542, 813, 859, 942, 1413, 1626, 1718, 2439, 2577, 2826, 4878, 5154, 7731, 15462, 42547, 85094, 127641, 134863, 232789, 255282, 269726, 382923, 404589, 465578, 698367, 765846, 809178, 1213767, 1396734, 2095101, 2427534, 4190202, 36547873, 73095746, 109643619, 219287238, 328930857, 657861714]

約数ペア:

[(1, 657861714), (2, 328930857), (3, 219287238), (6, 109643619), (9, 73095746), (18, 36547873), (157, 4190202), (271, 2427534), (314, 2095101), (471, 1396734), (542, 1213767), (813, 809178), (859, 765846), (942, 698367), (1413, 465578), (1626, 404589), (1718, 382923), (2439, 269726), (2577, 255282), (2826, 232789), (4878, 134863), (5154, 127641), (7731, 85094), (15462, 42547)]