261037295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 359468928

約数和(自身を除く): 98431633

約数列:

[1, 5, 17, 19, 47, 85, 95, 181, 235, 323, 361, 799, 893, 905, 1615, 1805, 3077, 3439, 3995, 4465, 6137, 8507, 15181, 15385, 16967, 17195, 30685, 42535, 58463, 65341, 75905, 84835, 144619, 161633, 288439, 292315, 326705, 723095, 808165, 1110797, 1442195, 2747761, 3071027, 5553985, 13738805, 15355135, 52207459, 261037295]

約数ペア:

[(1, 261037295), (5, 52207459), (17, 15355135), (19, 13738805), (47, 5553985), (85, 3071027), (95, 2747761), (181, 1442195), (235, 1110797), (323, 808165), (361, 723095), (799, 326705), (893, 292315), (905, 288439), (1615, 161633), (1805, 144619), (3077, 84835), (3439, 75905), (3995, 65341), (4465, 58463), (6137, 42535), (8507, 30685), (15181, 17195), (15385, 16967)]