31064275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 44782848

約数和(自身を除く): 13718573

約数列:

[1, 5, 11, 25, 37, 43, 55, 71, 185, 215, 275, 355, 407, 473, 781, 925, 1075, 1591, 1775, 2035, 2365, 2627, 3053, 3905, 7955, 10175, 11825, 13135, 15265, 17501, 19525, 28897, 33583, 39775, 65675, 76325, 87505, 112961, 144485, 167915, 437525, 564805, 722425, 839575, 1242571, 2824025, 6212855, 31064275]

約数ペア:

[(1, 31064275), (5, 6212855), (11, 2824025), (25, 1242571), (37, 839575), (43, 722425), (55, 564805), (71, 437525), (185, 167915), (215, 144485), (275, 112961), (355, 87505), (407, 76325), (473, 65675), (781, 39775), (925, 33583), (1075, 28897), (1591, 19525), (1775, 17501), (2035, 15265), (2365, 13135), (2627, 11825), (3053, 10175), (3905, 7955)]