660880865

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 886989312

約数和(自身を除く): 226108447

約数列:

[1, 5, 17, 37, 47, 85, 185, 235, 263, 289, 629, 799, 1315, 1445, 1739, 3145, 3995, 4471, 8695, 9731, 10693, 12361, 13583, 22355, 29563, 48655, 53465, 61805, 67915, 76007, 147815, 165427, 210137, 380035, 457357, 502571, 827135, 1050685, 2286785, 2512855, 2812259, 3572329, 7775069, 14061295, 17861645, 38875345, 132176173, 660880865]

約数ペア:

[(1, 660880865), (5, 132176173), (17, 38875345), (37, 17861645), (47, 14061295), (85, 7775069), (185, 3572329), (235, 2812259), (263, 2512855), (289, 2286785), (629, 1050685), (799, 827135), (1315, 502571), (1445, 457357), (1739, 380035), (3145, 210137), (3995, 165427), (4471, 147815), (8695, 76007), (9731, 67915), (10693, 61805), (12361, 53465), (13583, 48655), (22355, 29563)]